Content Details
Written By
Writing in Sciences, PGCCL
Reviewed By
MBA, MD (Pharmacology)
Last updated on:
20 May 2019 | 11:12 AM (IST)
Want to know more?
Read Our Editorial Policy
Have issue with the content?
Report Problem

Theolar 40 mg Tablet SR

Prescription Required

Overview

Introduction of Theolar Tablet SR

Theolar 40 mg Tablet SR is a medicine used to treat various heart conditions such as hypertension (high blood pressure), angina (heart-related chest pain) and arrhythmias (irregular heart rhythm). It lowers blood pressure and thus decreases the risk of future heart attack. This medicine is also used in the treatment of various non-heart conditions like anxiety, migraine, tremors and overfunctioning thyroid gland. It also decreases risk of bleeding in the gut caused by high blood pressure in the liver. It should be taken empty stomach for best results. Weakness or tiredness may occur as a common side effect which usually disappears with time. This medicine should not be stopped abruptly and taken strictly as advised by your doctor.

Theolar Tablet SR side effects

Common
  • Weakness
  • Irregular heart beat
  • Raynaud phenomenon

How to use Theolar Tablet SR

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Theolar 40 mg Tablet SR is to be taken empty stomach.
Avoid Theolar 40 mg Tablet SR with high-fat meals such as olive oil, nuts & seeds (Brazil nuts), dark chocolate, butter and meat.

How Theolar Tablet SR works

Theolar 40 mg Tablet SR is a beta blocker which lowers blood pressure. It works by slowing heart rate and relaxing blood vessels to improve blood flow to organs.

Theolar Tablet SR related warnings

Alcohol
CAUTION
It is unsafe to consume alcohol with Theolar 40 mg Tablet SR. Taking Propranolol with alcohol may have additive effects in lowering your blood pressure. You may experience headache, dizziness, lightheadedness, fainting, and/or changes in pulse or heart rate.
Pregnancy
WEIGH RISKS VS BENEFITS
Theolar 40 mg Tablet SR may be unsafe to use during pregnancy.
Animal studies have shown adverse effects on the fetus, however, there are limited human studies. The benefits from use in pregnant women may be acceptable despite the risk. Please consult your doctor.
Lactation
Theolar 40 mg Tablet SR is probably safe to use during lactation. Limited human data suggests that the drug does not represent a significant risk to the baby.
Driving
Do not drive unless you are feeling well.
Theolar 40 mg Tablet SR may cause visual disturbances, hallucinations, fatigue, mental confusion, dizziness or tiredness. This may affect your driving ability.
Kidney
SAFE
Theolar 40 mg Tablet SR is safe to use in patients with kidney disease. No dose adjustment of Theolar 40 mg Tablet SR is recommended.
However, inform your doctor if you have any kidney disease. Theolar 40 mg Tablet SR may be started with a low dose and then increased further. Regular monitoring of blood pressure is advisable for dose adjustment.
Liver
CAUTION
Theolar 40 mg Tablet SR should be used with caution in patients with liver disease. Dose adjustment of Theolar 40 mg Tablet SR may be needed. Please consult your doctor.
Regular monitoring of blood pressure is advisable for dose adjustment.

What if you miss a dose of Theolar Tablet SR?

If you miss a dose of Theolar 40 mg Tablet SR, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

Alternate Brands

For informational purposes only. Consult a doctor before taking any medicines.
Theolar 40 mg Tablet SR
₹4.3/Tablet SR
Provanol SR 40 Tablet
Intas Pharmaceuticals Ltd
₹4.7/Tablet SR
9% costlier
Migrabeta-TR 40 Tablet
Alkem Laboratories Ltd
₹2.9/Tablet SR
save 33%
Mibeta SR 40 Tablet
Tas Med India Pvt Ltd
₹3/Tablet SR
save 30%
₹2.9/Tablet SR
save 33%
Tenpose 40mg Tablet SR
Mankind Pharma Ltd
₹3.5/Tablet SR
save 19%

Expert Advice

  • It is not the first-choice treatment for high blood pressure according to the latest guidelines.
  • It may cover up the symptoms of low blood sugar if you have diabetes. Monitor blood sugar levels regularly.
  • To lower the chance of feeling dizzy or passing out, rise slowly if you have been sitting or lying down.
  • Use caution while driving or doing anything that requires concentration as Theolar 40 mg Tablet SR can cause dizziness and sleepiness.
  • Inform your doctor if you notice increased swelling around your legs or ankles, sudden weight gain or sudden shortness of breath as these may be symptoms of heart failure.
  • Do not stop taking the medication suddenly without talking to your doctor.

Interaction with Drugs

Taking Theolar with any of the following medicines can modify the effect of either of them and cause some undesirable side effects
Brand(s): Diabic
SERIOUS
Brand(s): Vogmax
SERIOUS
Brand(s): Loxaris
SERIOUS
Brand(s): Euroglip, Pridex MG
SERIOUS
Brand(s): Leparox, Prx
SERIOUS
Brand(s): Norma
SERIOUS
Brand(s): R Zep
SERIOUS
Brand(s): Diadose
SERIOUS
Brand(s): Tensorin, Zeptin, Tenefron
SERIOUS
Brand(s): Exeed, Metcalf
SERIOUS

Patient Concerns

Questions Related to Theolar

arrow
I am having pain in left side of the chest also in left arm is it related to heart attack what can be done get relief ??
Dr. Manju Singh
Psychiatrist
Please consult to your nearest doctor for blood pressure examination. then let me know.
I was on glimison m 1/500 . Half tablet per day Diabetes was in control but i heard somewhere that metfprmin is npt good for kidney dieses.as my creatinine level stays between 1.0 to 1.7 can i use only glimipiride? Is it safe my suger level is around 100_110 in morning. And what would be the require dose? 1_2_3 mg?? I had heart attack and 3 arteries are block pumping is 20%
Dr. Jagruti Shah
Diabetes Specialist
You can get you E-GFR. when you do s.creatinine eIf it is more than 60 then you can safely continue the same drugs if post lunch sugars are acceptable that is less than 140 mg %. Some times it is safer better to change more kidney friendly drugs and small dose of insulin.
arrow
Do you have any questions related to Theolar 40 mg Tablet SR?

FAQs

Q. What is Theolar used for?

Theolar is used in the treatment of angina (chest pain), arrhythmias (abnormal heartbeat), heart attack, increased blood pressure, anxiety, and migraine.

Q. Is Theolar over the counter product?

Theolar is a prescription medicine and should only be taken for the proper indication in the appropriate dose, frequency, and duration as advised by a doctor.

Q. Is Theolar a monoamine oxidase inhibitor (MAO) inhibitor?

Theolar is not a MAO inhibitor. It belongs to a class of drugs known as beta blockers.

Q. Is Theolar safe to use?

Clinical studies have shown that Theolar is tolerated well even in long-term use and is safe. However, the drug is not devoid of side effects and should only be taken as per the doctor’s advice.

Q. Is it safe to take Theolar with Betahistine?

Theolar and Betahistine can be taken together. Betahistine is given in patients with a migraine for the relief of vertigo and Theolar is indicated for preventing the attacks of a migraine. No harmful side effects or any other clinical interactions have been seen when the two drugs are used together.

Q. Is Theolar a blood thinner?

Theolar is not a blood thinner. It is a nonselective beta-adrenergic receptor blocker.

Q. Is Theolar a narcotic substance?

Theolar is not a narcotic substance. It is a beta-blocker used in the treatment of diseases like hypertension and angina.

Q. Is Theolar ototoxic?

Theolar is not associated with ototoxicity (harmful to the ear). However, if you experience any such problem while using the drug, talk to your doctor.

Q. Is Theolar a statin?

No, Theolar is not a statin. It is a nonselective beta-adrenergic receptor blocker.

Q. Is Theolar used to treat anxiety?

Theolar is indicated for the treatment of anxiety. However, consult your doctor for the right treatment of anxiety.

Q. Can I take Theolar for headaches?

Theolar is not used for the treatment of a headache. It is used to prevent an attack of a migraine headache. However, it is not known to stop the migraine headaches once started. Consult your doctor for the proper treatment of your headache.

Q. Can I take Theolar for irritable bowel syndrome (IBS)?

Theolar is not indicated in the treatment of irritable bowel syndrome (IBS). Consult your doctor for the right treatment IBS.

Q. For how long can I take Theolar?

Theolar is a prescription drug and should only be taken in the dose, frequency, and duration as advised by the doctor. However, clinical studies have shown that Theolar is tolerated well in long-term use and is generally safe.

Q. Can you take Theolar for depression?

Theolar is not indicated for the treatment of depression. Please consult your doctor for the right treatment of depression.

Q. Can I take Theolar for a migraine headache?

Theolar can be used as a to prevent an attack for migraine headaches. However, it is not known to stop the migraine headaches once started. Consult your doctor for the appropriate the appropriate therapy.

Q. Can I take Theolar with alprazolam?

Theolar is not known to have any clinically meaningful interaction with alprazolam. However, interactions can occur. Please consult your doctor before taking both the drugs together.

Q. Can I take Theolar with lorazepam?

Theolar is not known to have any clinically meaningful interaction with lorazepam. However, interactions can occur. Please consult your doctor before taking both the drugs together.

Q. Can I take Theolar without food?

Theolar can be taken without food. However, taking the drug with food, especially high-protein food enhances the bioavailability (amount of drug which reaches the blood) of the drug.

Q. Can I take Theolar with aspirin?

Aspirin, especially if taken in high doses, may reduce the blood pressure lowering (antihypertensive) effect of Theolar. Talk to your doctor before taking the two medicines together.

Q. Can I take Theolar with gabapentin?

Theolar is not known to have any interactions with gabapentin. However, interactions can occur. Talk to your doctor before taking both the medicines together.

Q. Can I take Theolar with amoxicillin?

Theolar is not known to have any interaction with amoxicillin. However, interactions can occur. Talk to your doctor before taking both the medicines together.

Q. Can I take Theolar with prednisone?

Anti-hypertensive (blood pressure lowering) effect of Theolar may decrease if taken with prednisone as prednisone can cause sodium and water retention. Talk to your doctor before taking both the medicines together.

Q. Does Theolar cause diabetes?

Theolar is not known to cause diabetes. However, it can interfere with insulin secretion and it can also block the sympathetic response (signs and symptoms experienced by the patient) to hypoglycemia. Talk to your doctor in case you are prescribed Theolar and you have diabetes.

Q. Does Theolar work?

Theolar is a nonselective beta-adrenergic receptor blocker which is used in the treatment of a variety of diseases like hypertension, angina, migraine, heart attack, tremors etc. It is a prescription drug which should only be used as per the doctor’s advice.

Q. Does Theolar make you sleepy?

Theolar is not known to make you sleepy. It can, however, cause loss of sleep and dizziness rarely. Consult your doctor if you experience any such symptom.

Q. Does Theolar expire?

Theolar. like any other drug, has an expiry date and should not be used beyond that period. The shelf life of Theolar is three years.

Q. Does Theolar cause depression?

Depression is a rare side effect of Theolar. If you experience any form of depression or associated symptoms while using the drug, consult your doctor.

Q. Does Theolar cause erectile dysfunction?

Theolar use has been associated with erectile dysfunction (also known as impotence). Consult your doctor if you experience any such problem while using the drug.

Q. Does Theolar cause diarrhea?

Diarrhea is a rare side effect of Theolar. Consult your doctor if you experience such problem while using the drug.

Q. Does Theolar affect sleep?

Use of Theolar has been associated with sleep disturbances, especially insomnia (inability to fall asleep). Consult your doctor if you experience any sleep disturbance after taking Theolar.

Q. Can the use of Theolar increase the blood sugar levels?

Theolar can interfere with insulin secretion and can also block the sympathetic response (signs and symptoms experienced by the patient) to hypoglycemia. However, it is not known to significantly affect blood sugar values.

Related Products

Related Ayurvedic Ingredients

Disclaimer: 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover all possible side effects, drug interactions or warnings or alerts. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.
References
  1. Westfall TC, WestfallIn DP. Adrenergic Agonists and Antagonists. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. p. 320.
  2. Opie LH. β-Blocking Agents. In: Opie LH, Gersh BJ, editors. Drugs for the Heart. 8th ed. Philadelphia, Pennsylvania: Elsevier Saunders; 2013. pp. 28-29.
  3. Benowitz NL. Antihypertensive Agents. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. pp. 175-76.
  4. Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 1162-63.
  5. Propranolol. Barnstaple, UK: Actavis; 2018. [Accessed 20 Mar. 2019] (online) Available from:External Link
  6. Drugs.com. Propranolol Pregnancy and Breastfeeding Warnings. [Accessed 20 Mar. 2019] (online) Available from:External Link
  7. Chaves RG, Lamounier JA. Breastfeeding and maternal medications. J Pediatr (Rio J). 2004;80(5 Suppl):S189-S198. [Accessed 20 Mar. 2019] (online) Available from:External Link
  8. Central Drugs Standard Control Organisation (CDSCO). [Accessed 19 Mar. 2019] (online) Available from:External Link
Manufacturer/Marketer Address
Theo Pharma Pvt Ltd, 401, Sachet-3, Mirambica School Road, Naranpura, Naranpura
MRP
43
10 tablet sr in 1 strip
SOLD OUT

INDIA’S LARGEST HEALTHCARE PLATFORM

150M+
Visitors
25M+
Orders Delivered
1000+
Cities
Get the link to download App
+91
Reliable

All products displayed on 1mg are 100% genuine and all labs listed on the platform are accredited

Secure

1mg uses Secure Sockets Layer (SSL) 128-bit encryption and is Payment Card Industry Data Security Standard (PCI DSS) compliant

Affordable

Enjoy 20% off on allopathy medicines, up to 50% off on health products, up to 80% off on lab tests and free doctor consultations

India's only LegitScript and ISO/IEC 27001 certified online healthcare platform
Know More About 1mg
Access medical and health information

1mg provides you with medical information which is curated, written and verified by experts, accurate and trustworthy. Our experts create high-quality content about medicines, diseases, lab investigations, Over-The-Counter (OTC) health products, Ayurvedic herbs/ingredients, and alternative remedies.

Order medicines online

Get free medicine home delivery in over 1000 cities across India. You can also order Ayurvedic, Homeopathic and other Over-The-Counter (OTC) health products. Your safety is our top priority. All products displayed on 1mg are 100% genuine.

Book lab tests

Book any lab tests and preventive health packages from certified labs and get tested from the comfort of your home. Enjoy free home sample collection, view reports online and consult a doctor online for free.

Consult a doctor online

Got a health query? Consult doctors online from the comfort of your home for free. Chat privately with our registered medical specialists to connect directly with verified doctors. Your privacy is guaranteed.