Cimetidine

Uses

Cimetidine is used in the treatment of gastroesophageal reflux disease (acid reflux) and peptic ulcer disease.

How it Works

How Cimetidine works: Cimetidine is a histamine H2 receptor antagonist. It works by reducing the amount of acid produced in the stomach, which helps relieve acid-related indigestion and heartburn.

Side Effects

Common side effects of Cimetidine include headache, diarrhea, muscle pain, skin rash, and tiredness.

Expert Advice

  • Take Cimetidine before going to bed if you are taking this medicine once a day. It is very effective in controlling stomach acid that is released during sleep.
  • If you are also taking other medications to treat acidity (e.g., antacids), take them 2 hours before or after taking Cimetidine.
  • Avoid soft drinks and citrus fruits such as oranges and lemons, as they can irritate the stomach and increase acid secretion.
  • Inform your doctor if you do not feel better after taking Cimetidine for 2 weeks, as you may be experiencing other issues.
  • Notify your doctor if you have ever been diagnosed with kidney disease, as the dose of your medication may need to be adjusted.
  • Inform your doctor about any other medications or supplements you are taking, as Cimetidine can interfere with the effectiveness of other medications.
  • Do not stop taking the medication without consulting your doctor.
  • Cimetidine is a well-tolerated and safe medication with a very low incidence of side effects.
  • Take Cimetidine with or without food.

Other Combinations

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Frequently asked questions

Cimetidine and antacids can be taken together without affecting each other's action. However, using multiple medications for the same purpose is not advisable unless necessary.
Cimetidine can lead to gynecomastia by lowering testosterone levels and blocking testosterone receptor sensitivity. While breast enlargement may occur, it is typically not bothersome. Consult your doctor if you have concerns.
No, Cimetidine is not an antacid; it reduces stomach acid production rather than neutralizing it.
Cimetidine may reduce loperamide metabolism, increasing its blood levels and effects. Consult your doctor before combining these medications, as a dosage adjustment may be necessary.
Cimetidine is often taken at bedtime to effectively reduce nighttime acid secretion and establish a consistent routine for medication adherence.
Omeprazole, a proton pump inhibitor, is generally more potent, longer-acting, and associated with fewer side effects than Cimetidine, which is an H2 receptor blocker.
There are no known harmful interactions between Cimetidine and coffee, but Cimetidine may enhance coffee's effects. Additionally, coffee can stimulate gastric acid secretion, potentially worsening your condition.
Cimetidine increases opiate effects by inhibiting enzymes that break down opioids, leading to higher opioid levels and enhanced action.
Cimetidine is not known to cause vitamin or mineral deficiencies. However, it may decrease vitamin B12 absorption, potentially leading to deficiency, especially with prolonged use beyond two years.
No, Cimetidine is a prescription medication and is not available over the counter.
No withdrawal symptoms have been reported upon discontinuation of Cimetidine, indicating it has no addictive potential.
Oral Cimetidine has shown effectiveness in treating molluscum contagiosum in children, although this use is not officially approved. Consult your doctor before considering it for this condition.
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