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Cimetidine

Uses of Cimetidine

  • The primary usage of Cimetidine is for managing various stomach acid-related disorders, such as peptic ulcers, gastroesophageal reflux disease (GERD), and Zollinger-Ellison syndrome. This medication falls under the histamine-2 (H2) blockers category.

  • In addition to its primary uses, Cimetidine can also be used for the relief of symptoms such as heartburn, acid indigestion and sour stomach as well as preventing acid aspiration during anaesthesia.

Side effects of Cimetidine

  • Headache

  • Dizziness

  • Drowsiness

  • Diarrhoea

  • Nausea

How Cimetidine works

  • Cimetidine is a histamine-2 (H2) blocker.

  • It works by blocking histamine H2 receptors on the parietal cells in the stomach lining. This inhibition reduces the production of gastric acid by these cells, which lowers overall stomach acidity. Consequently, it helps in alleviating symptoms associated with excessive stomach acid, such as heartburn and peptic ulcers.

Certified content

Written By

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Dr Nikita LoboMedical Editor & Reviewer| 7 years

BDS, MDS

Reviewed By

Dr. Chhavi Rosha
Dr. Chhavi Rosha Health & Medical Content Writer| 8 years

BMS, FMC, MD Resident

Expert Advice

Dosage Forms Available

  • Cimetidine is available for oral use in the form of tablets and as a liquid solution. These formulations allow for flexibility in administration, accommodating different patient preferences and conditions.

Age and Dose Restrictions

  • This medicine is meant for adults and children above 12 years of age.

Contraindications

  • This medicine is contraindicated in patients with known hypersensitivity to Cimetidine.

  • It should not be used by individuals diagnosed with acute porphyria, a rare metabolic disorder.

Other Medications to Avoid

  • This medicine may interact with anticoagulants (such as warfarin), antidepressants (like tricyclic antidepressants), antifungals (such as ketoconazole), anticonvulsants (including phenytoin), and diabetes medications (like metformin).

Overdose and Missed Dose

  • An overdose of Cimetidine may cause confusion, drowsiness, fast or irregular heartbeat, and difficulty breathing. If these symptoms occur, immediate medical attention is necessary.

  • If you miss a dose of Cimetidine, take it as soon as you remember. However, if it is nearly time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for the missed one.

Management of Side Effects

Most side effects are temporary and generally harmless and resolve when discontinuing this medicine. However, if you experience any severe side effects or worsening of any of the symptoms, please consult your doctor.

  • Adjust the timing of medication if experiencing mild discomfort or stomach upset.

  • Drinking water may help ease mild nausea or dry mouth associated with this medicine.

Use in Driving and Operating Machinery

  • Cimetidine may cause dizziness or drowsiness in some individuals. If you experience these symptoms, it is advised to avoid driving or operating heavy machinery.

Use in Pregnancy and Lactation

  • The use of this medicine during pregnancy or breastfeeding is not recommended without a doctor's advice. It is best to consult your doctor before taking this medication if you are pregnant or nursing.

Caution in Other Conditions

  • Caution should be exercised when using Cimetidine in patients with impaired renal function as dose adjustments may be necessary.

  • Individuals with liver disease should also use Cimetidine cautiously due to potential changes in medicinal metabolism.

Special Dietary and Lifestyle Recommendations

  • Avoid foods that exacerbate stomach acid production, such as spicy foods, citrus fruits, and fatty meals, which can aggravate conditions like GERD or ulcers that Cimetidine is used to manage.

  • Reducing stress through relaxation techniques like meditation or gentle yoga can help manage symptoms of acid-related disorders.

  • Maintaining a healthy body weight through a balanced diet and regular physical activity can also aid in reducing symptoms.

  • Smoking cessation is crucial as smoking can increase stomach acid production and impair the healing of gastric ulcers.

Frequently asked questions

Cimetidine is typically not available over the counter and requires a prescription from your doctor.

No, Cimetidine is not a steroid. It belongs to the class of medications known as histamine-2 (H2) blockers.

Some patients taking Cimetidine might experience drowsiness as a side effect, which could potentially impact sleep patterns.

No report indicates that Cimetidine affects fertility. However, it's always best to consult your doctor if you have concerns about this.

There are no specific dietary restrictions when taking Cimetidine unless otherwise directed by your doctor. It can be taken with or without food.

Cimetidine starts working within an hour or two of intake, reaching peak plasma concentrations during this time.

Your doctor will provide specific instructions on when to take Cimetidine based on your medical condition and response to therapy.

Terms & Conditions

Available medicines for CIMETIDINE
Ulciban 200mg Tablet 10
Ulciban 200mg Tablet 10
Torrent Pharmaceuticals Ltd.
Pack of 10 Unit
₹10.54
MRP ₹12.85
18.00% OFF
Cimetiget 200 MG Tablet 10
Cimetiget 200 MG Tablet 10
Franco-indian Pharmaceuticals Pvt Ltd
Pack of 10 Units
₹6.09
MRP ₹7.43
18.00% OFF
Cimetiget 400 MG Tablet 10
Cimetiget 400 MG Tablet 10
Franco-indian Pharmaceuticals Pvt Ltd
Pack of 10 Units
₹12.15
MRP ₹14.82
18.00% OFF
Acitak 150 MG Tablet 10
Acitak 150 MG Tablet 10
Astron Healthcare
Pack of 10 Units
₹4.67
MRP ₹5.70
18.00% OFF
Acitak 300 MG Tablet 10
Acitak 300 MG Tablet 10
Astron Healthcare
Pack of 10 Units
₹10.25
MRP ₹12.50
18.00% OFF
Tagamed 800 MG Tablet 10
Tagamed 800 MG Tablet 10
Glaxosmithkline Pharmaceuticals Ltd.
Pack of 10 Units
₹22.41
MRP ₹27.33
18.00% OFF
C Met 400 MG Tablet 10
C Met 400 MG Tablet 10
Cyper Drugs & Pharmaceuticals Pvt Ltd
Pack of 10 Units
₹11.48
MRP ₹14.00
18.00% OFF

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