Prescription requiredAnti-common cold (antihistamine + decongestant + analgesic/antipyretic)

Zyrcold -D Syrup — Side Effects & Warnings

Known side effects of Zyrcold -D Syrup include Drowsiness, dizziness, dry mouth, nausea, vomiting, stomach upset, constipation, headache, nervousness, palpitations, increased heart rate. Not everyone experiences these side effects.

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

Common Side Effects

Drowsiness
dizziness
dry mouth
nausea
vomiting
stomach upset
constipation
headache
nervousness
palpitations
increased heart rate

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. Do not use with other cold/flu products containing similar ingredients (especially paracetamol/acetaminophen) to prevent overdose. Use with caution in hypertension, heart disease, hyperthyroidism, diabetes, glaucoma, enlarged prostate/urinary retention, liver disease, and in the elderly. Seek medical advice before use in children, during breastfeeding, or if symptoms persist beyond 3–5 days, high fever persists, or breathing difficulty occurs.

Drug Interactions

Zyrcold -D Syrup may interact with the following:

MAO inhibitors (and within 14 days)
other sedatives/alcohol
other antihistamines
sympathomimetics/decongestants
tricyclic antidepressants
beta-blockers/antihypertensives
warfarin (with prolonged paracetamol use)
hepatotoxic drugs

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

Pregnancy Safety

Consult doctor

Alcohol Interaction

Avoid

Habit Forming

Storage

Store below 25°C in a cool, dry place. Protect from light. Keep the bottle tightly closed and out of reach of children.

Zyrcold -D Syrup — Safety Summary

Composition: Phenylephrine (5mg/5ml) + Chlorpheniramine (2mg/5ml)
Prescription: Required (Rx)
Pregnancy: Consult doctor
Alcohol: Avoid
Habit forming: No

Zyrcold -D Syrup — 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.