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Assurans Injection

Sildenafil (0.8mg)

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Assurans Injection is used to treat pulmonary arterial hypertension. It decreases high pressure in the blood vessels that carry blood from the heart to the lungs (the pulmonary arteries).

Written By Dr. Sakshi Jain, MS, BDS,
Reviewed By Dr. Mekhala Chandra, MD, MBBS,
Last updated on 13 Apr 2026 | 10:23 AM (IST)

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12.5 ml Injection

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General Information

Contains

Sildenafil (0.8mg)

Marketer

Cipla Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

Assurans Injection helps to improve your exercise ability. It is given under the supervision of a healthcare professional. You should not stop taking it without consulting your doctor as it may lead to the worsening of your symptoms. However, if it leads to loss of vision in one or both eyes or sudden loss of hearing with ringing sensation in your ear, you should not stop immediately and consult the doctor.

Common side effects of this medicine include flushing, headache, stiffness, and blurred vision. It may also cause dizziness or sleepiness. Do not drive or do anything that requires concentration until you know how the medicine works.

It can be dangerous to take it along with medicines called nitrates (often given for chest pain). Do not take this medicine if you have severe heart or liver problems, if you have recently had a stroke or heart attack or if you have low blood pressure. Let your doctor know if you suffer from these or any other health problems before taking it. You should not drive if this medicine makes you feel dizzy. Avoid drinking alcohol while taking this medicine as it can lead to side effects.

Uses of Assurans Injection

Treatment of Erectile dysfunction

Benefits of Assurans Injection

Treatment of Erectile dysfunction
Assurans Injection belongs to a group of medicines called PDE5 inhibitors. It works by relaxing the blood vessels in your penis. This allows blood to flow into the penis and produce an erection when sexually aroused. This medicine will only help get an erection if you are sexually stimulated. It is very effective but needs to be taken at least 30 minutes before sexual activity.

Do not take this medicine if you also take medicines called nitrates (often given for chest pain).

Side effects of Assurans 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 Assurans

Stiffness
Flushing (sense of warmth in the face, ears, neck and trunk)
Headache
Nosebleeds
Blurred vision
Indigestion
Muscle pain
Upset stomach
Rash

How to use Assurans Injection

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

How Assurans Injection works

Assurans Injection is a phosphodiesterase (PDE-5) inhibitor. It works by relaxing the blood vessels in your lungs thereby reducing the high blood pressure in the lungs. This allows your heart to work less to pump blood in your lungs.

Quick tips

Assurans Injection is used to treat high pressure in the blood vessels that carry blood from the heart to the lungs (the pulmonary arteries).
It can help improve your quality of life and exercise ability.
Assurans Injection may cause dizziness or sleepiness. Don't drive or do anything requiring concentration until you know how it affects you.
Do not use other medicines (nitrates or nitroglycerin) when taking Assurans Injection as it could drop your blood pressure to a dangerous level.
Do not consume alcohol while taking Assurans Injection as that may increase the blood pressure-lowering effects of Assurans Injection.
Stop taking Assurans Injection and immediately inform your doctor if you notice loss of vision in one or both eyes or sudden loss of hearing with ringing sensation in your ear.
Do not stop taking the medication suddenly without talking to your doctor as that may lead to worsening of your symptoms.

Safety advice

Alcohol

UNSAFE

Do not drink alcohol while you are taking this medicine. Assurans Injection may cause excessive drowsiness when taken with alcohol.

Pregnancy

SAFE IF PRESCRIBED

Assurans Injection is generally considered safe to use during pregnancy. Animal studies do not indicate harmful effects. However, there are limited human studies.

Breast feeding

CONSULT YOUR DOCTOR

Information regarding the use of Assurans Injection during breastfeeding is not available. Please consult your doctor.

Driving

UNSAFE

Assurans Injection may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

CAUTION

Assurans Injection should be used with caution in patients with severe kidney disease. Dose adjustment may be needed.
However, inform your doctor if you have any underlying kidney disease. A lowering of dose may be considered if it is not well-tolerated.

Liver

CAUTION

Assurans Injection should be used with caution in patients with liver disease. Dose adjustment may be needed.
There is limited information available on the use of Assurans Injection in patients with severe liver disease.

Interaction with drugs

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

Life-threatening

Ranolazine (Oral Route)

Do not consume Ranolazine with Sildenafil.

Life-threatening

Chlorpromazine (Oral Route)

Do not consume Chlorpromazine with Sildenafil. Concomitant use may affect heart rhythm and can be fatal.

Life-threatening

Amiodarone (Oral Route)

Do not consume Amiodarone with Sildenafil.

Life-threatening

Escitalopram Oxalate (Oral Route)

Do not consume Escitalopram Oxalate with Sildenafil.

Life-threatening

Pimozide (Oral Route)

Do not consume Pimozide with Sildenafil.

Frequently asked questions

Can I get Assurans Injection without a prescription?

No, you need a doctor's prescription to get Assurans Injection since it is a prescription medicine. Your doctor will prescribe it only if they judge that it would be beneficial for you.

Can I take Assurans Injection for the rest of my life?

Assurans Injection is a prescription medicine and should only be taken for the duration that is advised by your doctor.

Why is the use of Assurans Injection contraindicated with nitrates?

Use of Assurans Injection is harmful for patients taking nitrates or blood pressure-lowering medicines as their combined use can cause a severe fall in blood pressure, which can also result in death. However, if these medicines are to be taken together then it is advised to keep a time gap of 24 hours between the intake of Penegra and blood pressure-lowering medicines.

Why does Assurans Injection cause a fall in blood pressure (hypotension)?

Assurans Injection has the property of relaxing the smooth muscle of the blood vessels and widening them which can cause a fall in blood pressure (hypotension). So, when used with blood pressure lowering medicines or nitrates, it can cause a severe fall in blood pressure, which could be fatal. Assurans Injection should not be taken if you are taking nitrates for chest pain or you have a history of heart attack or stroke in the past 6 months.

Is Assurans Injection safe to use in patients with diabetes?

Yes, if prescribed by your doctor then Assurans Injection is safe to use in patients with diabetes.

Can I take Assurans Injection as often as I want?

No, do not take Assurans Injection for more than once a day. If you take more Assurans Injection than the recommended dose then you may experience an increase in side effects and their severity. These side effects include flushing, headache, muscle pain, stomach upset, allergic reactions and vision changes such as blurred vision. Contact your doctor if Assurans Injection does not help you to get an erection, or if your erection does not last long enough for you to complete sexual intercourse.

When should I take Assurans Injection?

Take Assurans Injection about 1 hour before you plan to have sex. Swallow the tablet whole with a glass of water. Inform your doctor if you feel the effect of Assurans Injection is too strong or too weak.

Can I drink alcohol while on Assurans Injection?

Drinking alcohol can temporarily impair your ability to get an erection. To get the maximum benefit from Assurans Injection, it is advised to not drink excessive amounts of alcohol before taking Assurans Injection.

Fact Box

Chemical Class

Benzenesulfonamide Derivative

Habit Forming

Therapeutic Class

SEX STIMULANTS REJUVENATORS

Action Class

Phosphodiesterase-V (PDE-5) Inhibitors

References

Michel T, Hoffman BB. Treatment of Myocardial Ischemia and Hypertension. 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. pp. 752-53.
Katzung BG, Chatterjee K. Vasodilator & the Treatment of Angina Pectoris. 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. 197.
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. 1261-62.
Sildenafil citrate. Sandwich, Kent: Pfizer Limited; 2005 [revised Jul. 2018]. [Accessed 04 Apr. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 04 Apr. 2019] (online) Available from:

User feedback

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Erectile dysfunction

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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: Cipla Ltd
Address: Cipla House, Peninsula Business Park, Ganpatrao Kadam Marg, Lower Parel, Mumbai-400013

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Assurans Injection. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

Lab tests offered by us

Why we need a prescription?

Assurans Injection

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Assurans Injection

Benefits of Assurans Injection

Side effects of Assurans Injection

How to use Assurans Injection

How Assurans Injection works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Ranolazine (Oral Route)

Chlorpromazine (Oral Route)

Amiodarone (Oral Route)

Escitalopram Oxalate (Oral Route)

Pimozide (Oral Route)

Frequently asked questions

Can I get Assurans Injection without a prescription?

Can I take Assurans Injection for the rest of my life?

Why is the use of Assurans Injection contraindicated with nitrates?

Why does Assurans Injection cause a fall in blood pressure (hypotension)?

Is Assurans Injection safe to use in patients with diabetes?

Can I take Assurans Injection as often as I want?

When should I take Assurans Injection?

Can I drink alcohol while on Assurans Injection?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

References

User feedback

What are you using Assurans Injection for?

How much was the improvement?

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

In case of any issues, contact us

Lab tests offered by us

Related/Popular tests