Merispas Injection

Last Updated: April 13th, 2026

Merispas Injection is a product of Unimarck Pharma India Ltd

Composition: Drotaverine (40mg)

₹ 17.81

Note: MRP can vary depending up on batch!

*MRP inclusive of all taxes

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All Details About Merispas Injection

Find out detailed description, uses, directions of use, side effects, warnings and precautions, frequently asked questions about Merispas Injection

Description:

Merispas Injection is an antispasmodic medicine. It is used in the treatment of menstrual pain and abdominal pain. It provides relief from pain due to smooth muscle spasm like menstrual pain, pain due to kidney stones, pain due to biliary stone and gastrointestinal colicky pain.

Merispas Injection is given as an injection under the medical supervision of a doctor. The dose and how often you take it depends on what you are taking it for. Your doctor will decide how much you need to improve your symptoms. You should take this medicine for as long as it is prescribed for you.

The most common side effects of this medicine include nausea, vomiting, and dryness in the mouth. If these bother you or appear serious, let your doctor know. There may be ways of reducing or preventing them. It may also make you feel dizzy as of low blood pressure if happens take caution while driving.

Earlier taking this medicine, tell your doctor if you have ever had severe heart disease or have blood pressure issues, or you have liver or kidney disease. Your doctor should also know about all other medicines you are taking as many of these may make this medicine less effective or change the way it works. Your doctor may check blood pressure regularly while on treatment with this medicine.

Uses:

Pain relief

Directions For Use:

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

Side Effects:

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

Ordinary side effects of Merispas

Insomnia (difficulty in sleeping)
Rapid heart rate
Sweating
Nausea
Vomiting
Dryness in mouth
Vertigo

Warning & Precautions:

Alcohol

CAUTION

Alcohol should be used with caution while taking Merispas Injection.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Merispas 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

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

Driving

UNSAFE

Merispas Injection may cause side effects that could affect your ability to drive.
As Merispas Injection may cause vertigo.

Kidney

CAUTION

Merispas Injection should be used with caution in patients with kidney disease. Dose adjustment may be needed.

Liver

CAUTION

Merispas Injection should be used with caution in patients with liver disease. Dose adjustment may be needed.

FAQs:

What is Merispas Injection used for?

Merispas Injection is used to relieve pain and discomfort caused by smooth muscle spasms. It is commonly prescribed for conditions such as kidney stones, gallbladder stones, urinary tract cramps, stomach or intestinal spasms, painful periods, and certain types of headaches. It works by relaxing the muscles, which helps ease the pain.

Who should not take Merispas Injection?

Individuals should not take Merispas Injection if they are allergic to drotaverine or any of its ingredients, have severe liver, kidney, or heart problems, or are children under 1 year of age.

Can Merispas Injection be used in people with low blood pressure?

Caution is needed when using Merispas Injection in people with low blood pressure, as it can make the condition worse. Your doctor will monitor you closely if you have this condition.

Is Merispas Injection safe for people with heart problems?

Merispas Injection should not be used in people with certain serious heart conditions, such as severe heart failure, low heart rate syndrome, or severe circulation problems. If you have any heart disease, always inform your doctor before taking this medicine.

What serious side effects can happen with Merispas Injection?

Although they are rare, serious side effects of Merispas Injection include severe allergic reactions, such as swelling of the face or throat, rash, difficulty breathing, or a sudden drop in blood pressure. Perceivek medical help immediately if these symptoms occur.

Can Merispas Injection be given to children?

Merispas Injection is not recommended for children under 1 year of age. Its safety and effectiveness in children have not been fully studied.

Is Merispas Injection habit-forming?

No, Merispas Injection is not addictive. However, it should only be used on a doctor’s prescription, and for the recommended duration, to avoid unnecessary risks.

Written by:
Dr. Lokanish
M.B.B.S.

Reviewed by:
Dr. Sureshbabu Yadav
M.B.B.S., DIP.DIAB, F.R.S.H

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