Prescription requiredAnti-allergic/Antihistamine with analgesic-antipyretic and nasal decongestant

Allercet Cold New Tab — Side Effects & Warnings

Known side effects of Allercet Cold New Tab include Drowsiness, dizziness, dry mouth, nausea, stomach upset, headache, fatigue, palpitations, increased blood pressure. Not everyone experiences these side effects.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated June 2026

Common Side Effects

Drowsiness
dizziness
dry mouth
nausea
stomach upset
headache
fatigue
palpitations
increased blood pressure

This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.

Important Warnings

May cause drowsiness—avoid driving or operating machinery if affected. Use with caution in hypertension, heart disease, hyperthyroidism, diabetes, glaucoma, enlarged prostate/urinary retention, liver disease, and kidney impairment. Do not exceed total daily paracetamol dose (risk of serious liver injury). Seek medical advice if symptoms persist beyond a few days, high fever persists, or if you have severe sore throat, rash or breathing difficulty.

Drug Interactions

Allercet Cold New Tab may interact with the following:

Alcohol (increases drowsiness and liver risk with paracetamol)
other sedatives/CNS depressants
MAO inhibitors (risk of hypertensive crisis with phenylephrine)
tricyclic antidepressants
beta-blockers/antihypertensives
other sympathomimetics/decongestants
other paracetamol-containing medicines

Always tell your doctor about all medicines you are taking, including over-the-counter drugs and supplements.

Pregnancy Safety

Use with caution / Consult doctor

Alcohol Interaction

Avoid

Habit Forming

Storage

Store below 25°C in a cool, dry place away from moisture and direct light. Keep out of reach of children.

Allercet Cold New Tab — Safety Summary

Composition: Cetirizine hydrochloride 5 mg + Paracetamol 325 mg + Phenylephrine hydrochloride 5 mg (per tablet)
Prescription: Required (Rx)
Pregnancy: Use with caution / Consult doctor
Alcohol: Avoid
Habit forming: No

Allercet Cold New Tab — Safety FAQs

What should I do if I experience side effects?

Mild side effects often resolve on their own. If side effects are severe or persistent, stop the medicine and consult your doctor immediately.

Are all listed side effects common?

No. Some side effects are common while others are rare. Not everyone experiences side effects. Consult your doctor if you are concerned.

Can I take this medicine with other drugs?

Some medicines interact with each other. Always inform your doctor about all medicines you are currently taking.

When should I seek emergency help?

Seek immediate medical attention if you experience severe allergic reactions (difficulty breathing, swelling of face/throat), chest pain, or any life-threatening symptoms.

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Safety disclaimer

This information is for educational purposes only and is not a substitute for professional medical advice. If you experience severe side effects, seek medical attention immediately.