Histex

Desciption

Histex is an oral antihistamine medicine used for the management of seasonal and perennial allergies. It works by blocking histamine, the chemical responsible for allergy symptoms, helping reduce sneezing, itching, runny nose, watery eyes, and skin rashes. In Pakistan, it is commonly prescribed for allergic rhinitis and urticaria (hives).

Formula*

• Antihistamine active salt (e.g., Cetirizine / Chlorpheniramine).

• Excipients q.s.

Uses:

• Relief from symptoms of seasonal allergic rhinitis (hay fever).

• Management of perennial allergic rhinitis.

• Treatment of urticaria (hives and allergic rashes).

• Reduces itching, sneezing, watery eyes, and runny nose.

Precautions

• Use with caution in patients with severe kidney disease, epilepsy, or urination problems.

• May cause drowsiness — avoid driving or operating machinery.

• Avoid alcohol or sedatives while taking this medication.

• Pregnant women should use only if clearly needed and under medical supervision.

• Not recommended for breastfeeding women without consulting a doctor.

Possible Side Effects

• Drowsiness or dizziness.

• Headache.

• Dry mouth.

• Gastrointestinal upset (nausea, abdominal pain).

• Rare: agitation or allergic reaction.

Contraindications / When Not to Use

• Severe renal impairment.

• Known allergy to the active salt, peanuts, or soya (depending on formulation).

• Concomitant use with other sedating antihistamines unless advised by a doctor.

Storage & Disposal

• Store at room temperature (18–25°C), away from light and moisture.

• Keep out of reach of children.

• Dispose of safely after expiry.

• Inhaler (if prescribed form) should be discarded six weeks after opening.

Doctor’s Review – Dr. Saima Javed, Consultant Allergist & Immunologist:
“Histex is effective for allergic rhinitis and urticaria, helping relieve sneezing, runny nose, and skin itching, particularly during allergy seasons. It may cause drowsiness in some patients, so evening dosing can help. Those with kidney issues or on multiple medications should only use it under medical guidance. When taken responsibly, it provides reliable symptomatic relief.”

Disclaimer
For educational and product information purposes only. Not a prescription. Always consult a qualified healthcare professional before starting or changing any medication.