Histop 4Mg | 20Tab
Histop 4Mg | 20Tab
Histop 4Mg | 20Tab Histop 4Mg | 20Tab Histop 4Mg | 20Tab

Histop 4Mg | 20Tab

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Histop tablets :

It is an antihistamine that works by reducing the effect of the natural histamine in the body that is responsible for allergy symptoms (sneezing, itching, runny nose and watery eyes).

Active Ingredient :



4 mg

Pharmacological Classification:

First generation antihistamine

Pharmacological form:


Package Size:

20 tablets


  • Chronic rash
  • allergic rhinitis
  • Allergic asthma
  • Other upper respiratory diseases
  • It can be used for other conditions not mentioned as well (check with your doctor or pharmacist).


How to use:

  • Immediate-release tablets: 4 mg every 4 to 6 hours (not to exceed 24 mg/24 hours or 4 tablets per day)
  • Extended-release tablets: 12 mg every 12 hours (not to exceed 24 mg/24 hours or only two tablets per day)

Warnings and precautions:

  • Do not take this medicine if you are allergic to chlorpheniramine or any of the components of this medicine
  • Do not take the medicine due to the desire to cause side effects such as drowsiness, especially for children (it may lead to health problems).
  • Be careful not to take the drug when performing tasks that require full awareness of what it may cause of drowsiness and its sedative effect
  • Use with caution in patients with liver and kidney disease and with slow metabolism
  • The anticholinergic effect may cause significant confusion, constipation, or urinary problems (often in the elderly) second-generation antihistamines are a more appropriate option.
  • Some sedatives may be harmfully increased when taken with chlorpheniramine
  • You must tell the doctor or pharmacist if you have any other diseases such as: breathing problems (such as chronic bronchitis and emphysema), glaucoma, difficulty urinating due to an enlarged prostate gland, or you are currently taking sedatives, tranquilizers or any other medications.
  • The medicine may cause slight irritation in children

The most common side effects:

  • drowsiness (mild to moderate)
  • thickening of bronchial secretions

Pregnancy and lactation:

A doctor should be consulted in case of pregnancy and breastfeeding.


• Store below 30°C.

• Store away from moisture, high heat and light

the manufacture company:


Country of Manufacture:

Kingdom Saudi Arabia

GTIN : 0000001001253
Weight : 0.100 KG
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