Prescription requiredAnalgesic and anti-inflammatory (NSAID) with muscle relaxant

Zerodol TH 4 Tablet — Side Effects & Warnings

Known side effects of Zerodol TH 4 Tablet include Nausea, vomiting, stomach pain, indigestion, diarrhoea, dizziness, drowsiness, headache, increased liver enzymes, skin rash. Not everyone experiences these side effects.

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

Common Side Effects

Nausea
vomiting
stomach pain
indigestion
diarrhoea
dizziness
drowsiness
headache
increased liver enzymes
skin rash

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

Important Warnings

Prescription (Schedule H) medicine. NSAIDs may cause stomach ulcer/bleeding, kidney injury, fluid retention and increased blood pressure; use with caution in elderly and in patients with history of peptic ulcer, heart disease, kidney or liver disease. Stop and seek medical help if black stools, severe abdominal pain, vomiting blood, chest pain, swelling, or allergic reactions occur. Thiocolchicoside can cause drowsiness/dizziness; avoid driving if affected. Not recommended in pregnancy; avoid in breastfeeding unless advised. Use caution in patients with seizure disorders; thiocolchicoside has been associated with risk of seizures. Avoid concurrent use with other NSAIDs unless advised.

Drug Interactions

Zerodol TH 4 Tablet may interact with the following:

Other NSAIDs/aspirin
anticoagulants (warfarin) and antiplatelets (clopidogrel)
corticosteroids
SSRIs/SNRIs
antihypertensives (ACE inhibitors/ARBs/diuretics)
methotrexate
lithium
cyclosporine/tacrolimus
alcohol

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

Pregnancy Safety

Not recommended

Alcohol Interaction

Avoid

Habit Forming

Storage

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

Zerodol TH 4 Tablet — Safety Summary

Composition: Aceclofenac (100mg) + Thiocolchicoside (4mg)
Prescription: Required (Rx)
Pregnancy: Not recommended
Alcohol: Avoid
Habit forming: No

Zerodol TH 4 Tablet — 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.