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Fenlong Injection

Diclofenac (1%w/w) + Menthol (5%w/w) + Linseed Oil (3%w/w) + Methyl Salicylate (10%w/w)

₹23In stock

Delivery across India. Free above ₹999; ₹49 from ₹499, ₹99 below. Chennai express delivery is chargeable.

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Fenlong Injection is used for fenlong Liniment is used for pain relief.

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

Licensed pharmacyPharmacist-verified orderDelivered across India

Key details

Salt: Diclofenac (1%w/w) + Menthol (5%w/w) + Linseed Oil (3%w/w) + Methyl Salicylate (10%w/w)
Available variants: injection 1%w/w + 5%w/w + 3%w/w + 10%w/w 1ML
Best price: ₹23
Prescription: Required
Manufacturer: SKN ORGANICS (P) LTD.`

Ordering notes

Standard delivery across India. No same-day delivery nationally.
Chennai express delivery is possible and chargeable. Learn more
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy

Composition of Fenlong Injection

Fenlong Injection contains Diclofenac (1%w/w) + Menthol (5%w/w) + Linseed Oil (3%w/w) + Methyl Salicylate (10%w/w). It belongs to the Non-steroidal anti-inflammatory drug and Counter-irritant / topical anti-inflammatory class of medicines.

Uses of Fenlong Injection

Fenlong Liniment is used for pain relief.

Key benefits

  • Relieves pain and the swelling that causes it
  • Effective in arthritis and injury
  • Acts where it is applied
  • Much less whole-body exposure than a tablet

How Fenlong Injection works

Fenlong Liniment is a non-steroidal anti-inflammatory drugs (NSAID). It works by blocking the release of certain chemical messengers that cause pain and inflammation (redness and swelling) on the skin.

How to take Fenlong Injection

This is given by a doctor or a nurse. Do not attempt to inject it yourself unless you have been trained and told to. Follow the dose and the duration written on your prescription.

Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.

Missed dose and overdose

If you miss a dose

Take it as soon as you remember. If your next dose is almost due, skip the one you missed — never take two doses together to catch up.

If you take too much

An overdose of this medicine can cause stomach bleeding, kidney failure, drowsiness and fits. It is unlikely from skin use, but swallowing these preparations can be serious, particularly in children. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Fenlong Injection

Most side effects of Fenlong are mild and settle as the body adjusts. Reported side effects include:

  • Indigestion
  • Stomach pain
  • Nausea
  • Heartburn
  • Dizziness
  • Swelling of the ankles and feet
  • Burning or stinging
  • Redness
  • Skin irritation
  • Rash

Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.

Safety advice for Fenlong Injection

PregnancyFenlong Liniment is unsafe to use during pregnancy.<br>There is positive evidence of human fetal risk, but the benefits from use in pregnant women may be acceptable despite the risk, for example in life-threatening situations. Please consult your doctor.
BreastfeedingFenlong Liniment is probably safe to use during lactation. Limited human data suggests that the drug does not represent a significant risk to the baby.
AlcoholDo not drink alcohol while taking this medicine.
DrivingMay cause drowsiness or affect your concentration. Do not drive until you know how it affects you.
KidneyConsult your doctor if you have kidney disease.
LiverConsult your doctor if you have liver disease.
Habit formingNo

Warnings and precautions

Take it with or just after food, and for the shortest time that works. Stop and seek urgent care for black or tarry stools, vomiting blood, or severe stomach pain — this group can cause bleeding from the stomach. Long or high-dose use raises the risk of heart attack, stroke and kidney injury, particularly in older people and those already at risk. Avoid if you are dehydrated or have an illness with vomiting or loose motions — the kidneys are vulnerable then. Must be avoided in the last three months of pregnancy. For external use only. Keep it away from the eyes, mouth and broken skin. Do not apply a heating pad or hot water bottle over the treated area — this can cause a burn. Do not bandage tightly over it unless your doctor has told you to. Wash your hands thoroughly after applying, unless your hands are the area being treated. Stop if the skin becomes severely irritated or blisters.

Do not take Fenlong if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not for people with an active stomach ulcer, severe kidney or heart failure, or asthma triggered by aspirin or anti-inflammatory painkillers. Not in the third trimester of pregnancy. Not for use on broken, infected or badly inflamed skin.

Interactions with other medicines

Combining with a blood thinner or aspirin sharply raises the bleeding risk. Reduces the effect of blood pressure medicines and water tablets, and together with them can harm the kidneys. Never take two anti-inflammatory painkillers at the same time. Topical anti-inflammatory gels add to the effect of the same medicine taken by mouth; tell your doctor if you use both.

How to store Fenlong Injection

Store as printed on the carton — some injections need refrigeration and must not be frozen. Keep out of the reach of children.

Expert advice for Fenlong Injection

Use the lowest dose for the shortest period. If you need a painkiller regularly, see your doctor rather than continuing on your own. Paracetamol is the safer choice for simple fever and headache. Use a small amount and rub it in well. See a doctor if the pain has not improved within the period stated on the pack.

Manufacturer and class

Manufacturer:
SKN ORGANICS (P) LTD.`
Therapeutic class:
prescription
Drug class:
Non-steroidal anti-inflammatory drug and Counter-irritant / topical anti-inflammatory

Substitutes for Fenlong Injection

Medicines with the same active ingredient (Diclofenac (1%w/w) + Menthol (5%w/w) + Linseed Oil (3%w/w) + Methyl Salicylate (10%w/w)). Ask your doctor or pharmacist before switching brands.

MedicinePackPricevs Fenlong Injection
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Volitra Plus Gel 30GrSUN PHARMA 2gel · 30GR₹152576% more
Volini Pain Relief GelSun Pharmaceutical Industries Ltdgel · 50 Gm₹207820% more
Volini SpraySUN PHARMA 2spray · 62GM₹233936% more
Agonyx-MR TabletGENFO BIOCEUTICALS PVT LTDtablet · 10`S₹238956% more
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Fenlong Injection FAQs

What is Fenlong Injection used for?
Fenlong Injection is commonly used for Fenlong Liniment is used for pain relief. Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Fenlong Injection?
Fenlong Injection contains Diclofenac (1%w/w) + Menthol (5%w/w) + Linseed Oil (3%w/w) + Methyl Salicylate (10%w/w). If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Fenlong Injection?
This is given by a doctor or a nurse. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Fenlong Injection work?
Fenlong Liniment is a non-steroidal anti-inflammatory drugs (NSAID).
Is Fenlong Injection a prescription medicine?
Yes. Fenlong Injection is a prescription-only (Rx) medicine. Upload a valid prescription from a registered medical practitioner during checkout. We cannot dispense it without a valid Rx.
What are the common side effects of Fenlong Injection?
The side effects reported most often with Fenlong are Indigestion, Stomach pain, Nausea, Heartburn, Dizziness. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Fenlong Injection be taken during pregnancy?
Fenlong Liniment is unsafe to use during pregnancy.<br>There is positive evidence of human fetal risk, but the benefits from use in pregnant women may be acceptable despite the risk, for example in life-threatening... Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Fenlong.
Can I drink alcohol while taking Fenlong Injection?
Do not drink alcohol while taking this medicine.
What if I miss a dose of Fenlong Injection?
Take it as soon as you remember.
Is Fenlong Injection habit forming?
No. Fenlong Injection is not known to be habit forming when taken as prescribed.
How much does Fenlong Injection cost on PingMeDoc Pharmacy?
Fenlong Injection starts at ₹23 on PingMeDoc Pharmacy. Available in injection 1%w/w + 5%w/w + 3%w/w + 10%w/w 1ML. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Fenlong Injection?
Fenlong Injection is manufactured by SKN ORGANICS (P) LTD.`. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Fenlong Injection delivered?
Fenlong Injection is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.

Fenlong Injection, Quick facts

Salt
Diclofenac (1%w/w) + Menthol (5%w/w) + Linseed Oil (3%w/w) + Methyl Salicylate (10%w/w)
Form
injection
Best price
₹23
Prescription
Required (Rx)
Schedule
Schedule H
Brand
SKN ORGANICS (P) LTD.`
Manufacturer
SKN ORGANICS (P) LTD.`
Therapeutic class
prescription
Drug class
Non-steroidal anti-inflammatory drug and Counter-irritant / topical anti-inflammatory
Habit forming
No
Variants
injection 1%w/w + 5%w/w + 3%w/w + 10%w/w 1ML
Delivery
Standard across India

References

The information on Fenlong Injection is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.

  1. PingMeDoc clinical monograph library — compiled from Indian package inserts, the Indian Pharmacopoeia
  2. CDSCO schedules and standard pharmacology references. Reviewed for patient readability. This is general information, not a substitute for your doctor's advice.
  3. Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
  4. National List of Essential Medicines (NLEM) 2022, Government of India.
  5. Manufacturer's package insert / prescribing information for Fenlong Injection.
  6. World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.

Next steps

Safety disclaimer

Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.