Cimetidine

Uses	Stomach and intestinal ulcers, GERD
Therapy	Anti-Ulcer
Side Effects	Headache, dizziness, diarrhoea, tiredness, skin rashes

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Molecule Description

Cimetidine is a medicine used to reduce the production of acid in the stomach. It is used for the treatment of ulcer in the stomach and intestine. It is used to relieve heartburn, acidity and to treat gastro-oesophageal reflux disease (GERD). Take as prescribed by the doctor. Along with taking medicine on time making certain lifestyle modifications helps you to manage the acidity problem better. Try eating smaller meals, eat slowly, avoid overeating and lying down immediately after having a meal, limit alcohol intake, avoid smoking and maintain a healthy weight, consult the doctor to understand what works for you best.

Uses

Cimetidine is used for the treatment of heartburn, stomach and intestinal ulcers, gastro-oesophageal reflux disease (GERD).
GERD is a condition in which acid from the stomach comes up to the food pipe causing heartburn and irritation.

Contraindications

When should one not use Cimetidine

If you are allergic to cimetidine or other ingredients of the medicine.

Side effects

Common side effects of this drug are:

Headache
Dizziness
Diarrhoea
Skin rashes
Tiredness

Precautions and Warnings

Pregnancy

Cimetidine should be avoided by a pregnant woman unless prescribed by a doctor.

Breast Feeding

Avoid using Cimetidine if you are breastfeeding as there is no information available on the use of cimetidine during breastfeeding. Consult with the doctor before using the medicine while breastfeeding.

Driving

Cimetidine is not known to affect the driving abilities. However, if you feel dizzy, after taking the medicine avoid driving.

Alcohol

No known interactions with alcohol, discuss with the doctor if you consume alcohol too often and accordingly, he may suggest to you what will work best for you. Alcohol consumption may be associated with acidity problem and long term consumption leads to other complications.

Other General Warnings

Talk to your doctor if

You may suffer from cancer in the stomach.
You may have a kidney-related problem, a dose adjustment may be required.
You are taking painkillers and while receiving the medicines for ulcer, especially the elderly should be observed regularly.
You are supposed to take the medicine for a prolonged duration.

Mode of Action

How Does It Work?

The stomach produces acid to digest food. When this acid is produced in excess, it leads to acidity, heartburn and ulcers. Cimetidine blocks the secretion of gastric acid and thereby reduces the amount of acid present in the stomach. This helps to relieve acid-related indigestion and heartburn.

Interactions

Interactions with other medicines

Some medicines affect the way Cimetidine works, or the medicine itself reduces the effectiveness of other medicines taken at the same time.
Inform the doctor of medicines, supplements, or herbals you are taking or might take to avoid possible interaction. Also, you should inform the doctor if you have a planned surgery or vaccination scheduled.
If you are taking blood thinners, antifungals, pain killers or medicines to treat your heart problems, mental health problems, diabetes, cancer, HIV infection, fits.

Dosage

Overdose

There are no known symptoms of an overdose. In case of an overdose consult a doctor.

Missed a Dose

If you have missed taking a dose of Cimetidine take it as soon as you remember. If it's time for the next dose, skip the missed dose and continue with the regular dose schedule. Avoid taking a double dose to compensate for the missed one.

Frequently Asked Questions (FAQs)

There is a valve-like structure called the sphincter between the food pipe and stomach. This valve prevents the acid and the food in the stomach from coming back into the food pipe. If the valve is weak or damaged, acid starts entering the food pipe, causing heartburn, difficulty in swallowing and food regurgitation.

No, Cimetidine is not an antibiotic, it is an anti-ulcer medicine.

You may experience side effects like headache, dizziness, diarrhoea, tiredness, skin rashes while on treatment with Cimetidine.

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