Themidrine 30mg Injection

Ephedrine (30mg)

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Themidrine 30mg Injection is used to treat the low blood pressure commonly seen following spinal anesthesia. It raises blood pressure by narrowing the blood vessels of the heart.

Written By Dr. Lipika Khurana, PGDHHM, BDS,
Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS,
Last updated on 25 Nov 2025 | 03:05 PM (IST)

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Gurgaon

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General Information

Contains

Ephedrine (30mg)

Marketer

Themis Medicare Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

Themidrine 30mg Injection is administered under the supervision of a doctor. Your doctor will decide the dose and duration of the medicine for you. You should continue all your other medicines that are advised by the doctor for your long-term treatment even after this injection. Your doctor may advise for regular monitoring of blood pressure while you are taking this medicine.

The most common side effects of this medicine include nausea, vomiting, and increased heart rate. This medicine may not be suitable for some people. You must inform the doctor if you are suffering from diabetes, liver, heart, or kidney disease. Also, let your doctor know about all the other medications that you are using regularly. This medicine is not usually recommended during pregnancy or breastfeeding, so always consult your doctor before taking it.

Uses of Themidrine Injection

Allergic conditions
Glaucoma
Decreased blood pressure
Severe allergic reactions
Hypotension following spinal anesthesia
Bleeding
Local anesthesia (Numb tissues in a specific area)
Cardiac arrest

Benefits of Themidrine Injection

Hypotension following spinal anesthesia
Themidrine 30mg Injection is used to relieve low blood pressure (hypotension) which may occur due to administration of anesthesia in the spine during an operation. This medicine helps to bring back the blood pressure within normal range and therefore prevents any sudden fall or even serious complications that might have otherwise followed due to low blood pressure.

Side effects of Themidrine Injection

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Themidrine

Nausea
Vomiting
Increased heart rate

How to use Themidrine Injection

Your doctor or nurse will give you this medicine. Kindly do not self administer.

How Themidrine Injection works

Themidrine 30mg Injection works on the blood vessels and increases the blood flow to heart and lungs, thereby improving the disease condition.

All substitutes for Themidrine 30mg Injection

For information purposes only. Consult a doctor before taking any medicine.

Efipres Injection

by Neon Laboratories Ltd

₹45.9/injection

96% costlier

Quick tips

It is usually given as a slow injection into your veins by a doctor or healthcare professional.
Inform your doctor if you are pregnant, planning pregnancy or breastfeeding.
Inform your doctor if you are taking or have recently taken medication to treat severe depression.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Themidrine 30mg Injection. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Themidrine 30mg Injection during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.

Breast feeding

CONSULT YOUR DOCTOR

Themidrine 30mg Injection may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.

Driving

SAFE

Themidrine 30mg Injection does not usually affect your ability to drive.

Kidney

CONSULT YOUR DOCTOR

There is limited data available on the use of Themidrine 30mg Injection in patients with kidney disease. Please consult your doctor.

Liver

CONSULT YOUR DOCTOR

There is limited data available on the use of Themidrine 30mg Injection in patients with liver disease.

Interaction with drugs

Taking Themidrine with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Life-threatening

Furazolidone (Oral Route)

Do not consume Furazolidone with Ephedrine. If essential, consult your doctor.

Life-threatening

Sevoflurane (Oral Route)

Do not consume Sevoflurane with Ephedrine.

Life-threatening

Sevoflurane (Inhalation Route)

Do not consume Sevoflurane with Ephedrine.

Life-threatening

Tranylcypromine (Oral Route)

Do not consume Tranylcypromine with Ephedrine. If Tranylcypromine is essential, ensure a gap of at least 2 weeks after discontinuing Ephedrine. Please consult your doctor.

Severe

Moclobemide (Oral Route)

Do not consume Moclobemide with Ephedrine.

Frequently asked questions

What is Themidrine 30mg Injection used for?

Themidrine 30mg Injection is mainly used to treat sudden low blood pressure (hypotension) that can occur during anesthesia in surgeries. It works by stimulating certain receptors in the body to increase blood pressure and improve circulation.

Can Themidrine 30mg Injection cause high blood pressure?

Yes, Themidrine 30mg Injection can sometimes raise blood pressure too much, especially if it is given repeatedly or in higher doses. Doctors carefully monitor your blood pressure during treatment to avoid dangerous spikes in hypertension.

Is Themidrine 30mg Injection safe for elderly patients?

Older adults may be more sensitive to Themidrine 30mg Injection because of age-related changes in heart, kidney, or liver function. Doctors usually start with lower doses and monitor them closely to prevent complications like irregular heartbeat or excessive blood pressure rise.

What are the serious side effects of Themidrine 30mg Injection?

Serious side effects of Themidrine 30mg Injection may include fast or irregular heartbeat, chest pain, dizziness, severe headache, or sudden rise in blood pressure. If these occur, immediate medical attention is required.

Why should Themidrine 30mg Injection not be given repeatedly in high doses?

Repeated use of Themidrine 30mg Injection can cause tolerance, meaning the body stops responding effectively. This may reduce its ability to control blood pressure, and alternative medicines may then be needed.

Can Themidrine 30mg Injection affect the heart?

Yes, Themidrine 30mg Injection can increase heart rate and may cause irregular heartbeats in some patients. People with heart disease, arrhythmias, or who are taking heart medications should be carefully monitored when receiving this medicine.

Fact Box

Chemical Class

Phenylpropanes

Habit Forming

Therapeutic Class

CARDIAC

Action Class

Sympathomimetic Agents

Related lab tests

Absolute Eosinophil Count

Peripheral Smear Examination

Total IgE

References

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. 300.
Biaggioni I, Robertson D. Adrenoreceptor Agonists & Sympathomimetic Drugs. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 141.
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. p. 476.
Ephedrine sulfate [FDA Label]. Chesterfield, MO: Éclat Pharmaceuticals; 2016. [Accessed 26 Aug. 2020]. (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). Ephedrine. [Accessed 18 Mar. 2019] (online) Available from:

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Disclaimer

Tata 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 everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. 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.

Marketer details

Name: Themis Medicare Ltd
Address: 11/12, Udyog Nagar, S. V. Road, Goregaon (W), Mumbai- 400104.

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

Themidrine 30mg Injection

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General Information

Contains

Marketer

Storage

Product introduction

Uses of Themidrine Injection

Benefits of Themidrine Injection

Side effects of Themidrine Injection

How to use Themidrine Injection

How Themidrine Injection works

All substitutes for Themidrine 30mg Injection

Efipres Injection

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Furazolidone (Oral Route)

Sevoflurane (Oral Route)

Sevoflurane (Inhalation Route)

Tranylcypromine (Oral Route)

Moclobemide (Oral Route)

Frequently asked questions

What is Themidrine 30mg Injection used for?

Can Themidrine 30mg Injection cause high blood pressure?

Is Themidrine 30mg Injection safe for elderly patients?

What are the serious side effects of Themidrine 30mg Injection?

Why should Themidrine 30mg Injection not be given repeatedly in high doses?

Can Themidrine 30mg Injection affect the heart?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Absolute Eosinophil Count

Peripheral Smear Examination

Total IgE

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

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