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Cobra 120

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Medically Reviewed by
Dr. Akanksha Kaushal
akanksha-kaushal Dr. Akanksha, Pharm-D

Dr. Akansha is a licensed Clinical Pharmacologist with extensive expertise in pharmacovigilance, prescription analysis, drug information, and safety. She's a dedicated educator and avid learner. Dr. Akansha also reviews medical content on GoodRx Medicine, ensuring accurate pharmaceutical information is accessible to all.

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Written by
Julian Carter
julian-carter Julian Carter

Julian, an MBA in Pharmaceutical Management, brings a dynamic blend of expertise and impact with his contributions at Goodrxmedicine. His dedication and innovative spirit continue to shape a brighter future in pharmaceutical management.

About Cobra 120 mg

Cobra 120 mg tablets is a medication that is taken for the treatment of Erectile Dysfunction among men. 

The main active ingredient in this tablet is Sildenafil Citrate, which relaxes the penile blood vessels and muscles to increase blood flow.

Increased blood flow in the penis helps men get and maintain a firm erection during sexual intercourse.

Uses of Cobra 120 mg

Cobra 120 mg tablet is prescribed to men diagnosed with sexual health complications like Erectile Dysfunction (ED).

ED develops when a man starts facing recurrent difficulties in triggering an erection during sexual intercourse.

Cobra 120 mg tablet is a prescription-based medication and should be taken only when prescribed by your doctor.

How it works

The main active salt in Cobra tablet is Sildenafil Citrate, which belongs to a class of drugs known as Phosphodiesterase Type 5 inhibitors (PDE5 inhibitors). 

The medication works by inhibiting the actions of the PDE5 enzyme. When PDE-5 enzymes get blocked, smooth muscle Cyclic Guanosine Monophosphate (cGMP) levels increase, promoting muscle relaxation and vasodilation (widening blood vessels).

This process helps increase the blood flow in the penis, which helps men in getting an erection.


Cobra 120 mg is a prescription-based tablet that should always be taken as per the instructions given by your doctor.

Your general physician would prescribe you an appropriate dosage of Cobra 120 mg based on the severity of your medical condition.

Ensure you never take more than the prescribed dosage of Sildenafil Citrate.

How to take

Cobra 120 mg tablets should be administered orally with a glass of water. The tablet should be swallowed entirely and not crushed, broken or chewed.

For the best result, take the medication 30  to 60 minutes before engaging in any sexual activity.

Missed dose

Do not worry if you forget to take a dose of Cobra 120 mg tablet; you can quickly retake the tablet when the need arises again.

However, it is essential to ensure that you do not take a double dose of this medication just to compensate for the missed one.


If you take an overdose of Cobra 120 mg tablet by mistake, you may experience symptoms like dizziness, upset stomach, chest pain, low blood pressure and vision problems.

Reach out to the necessary medical care before overdosing symptoms lead to further medical complications.

Note: Do not take an overdose of Cobra tablets. Always take the pill as prescribed by your doctor.

Side effects

Erectile Dysfunction medication like Cobra 120 mg will cause little to no side effects if taken as per the instructions given by the medical professional.

However, if the following side effects do occur, then immediately reach out to a medical expert:

  • Headache
  • Back pain
  • Muscle pain
  • Nausea
  • Dizziness
  • Rash
  • Flushing
  • Upset stomach
  • Abnormal vision
  • Lightheadedness
  • Stuffy or runny nose
  • Changes in color vision 
  • Shortness of breath


Before taking Cobra 120 mg tablet, you must inform your healthcare provider about your complete medical history. 

Cobra tablets can cause an interaction if taken with certain medicines, food items or medical conditions. Therefore, take Sildenafil Citrate tablets only as per the advice given by your general physician.

Disease interactions

If you have the following health conditions, then make sure that your doctors know about them before prescribing you Cobra 120 mg tablet:

  • Liver problems
  • Stomach ulcers
  • Thyroid disorders
  • Bleeding problems
  • Kidney problems
  • Sickle cell disease
  • Retinitis pigmentosa 
  • Cardiovascular diseases 

Drug interactions

Avoid taking the following medicines along with Cobra tablets, as doing so can trigger an interaction:

  • Nitrate medicines 
  • Nitroprusside medicines
  • Alpha-blockers
  • HIV protease inhibitors
  • Antifungal medicines
  • Blood pressure medication

Food interactions

Taking alcohol after getting administered for Cobra tablet can lower your blood pressure and affect your sexual performance. Therefore be cautious about your diet while taking Cobra 120 mg tablets.


Cobra 120 mg tablet is a prescription-based ED medication that should be taken safely and as per the recommendations given by your general practitioner.

Take the following precautions while taking Cobra 120 mg tablets:

  • If you are allergic to Sildenafil Citrate, then avoid taking Cobra tablets
  • While using Cobra pills, avoid consuming grapefruit or grapefruit-related items, as doing so can cause a food interaction
  • After taking Cobra 120, if you experience nausea or dizziness while engaging in sexual activity or if your chest, arms, neck, or jaw start to hurt, tingle, or feel numb, call your doctor right away
  • Never take Cobra pills and any other Erectile Dysfunction medication together
  • Reach out to your doctor at once if you experience side effects like sudden eyesight loss or painful erections lasting more than four hours
  • Cobra tablet is prescribed only to men above 18. This tablet should not be taken by women and children


Cobra 120 mg tablets should be stored in a cool, dry, dark place. Always ensure that the tablet is kept from direct sunlight, heat and moisture.

Keep the tablets away from the reach of children.

Frequently Asked Questions

What is the meaning of Cobra 120?

Cobra 120 mg is an Erectile Dysfunction medication that contains Sildenafil Citrate as the main active ingredient. 

Can I take Cobra pills every day?

Cobra 120 mg pill can be taken daily if your doctor prescribes the same. However, ensure you do not take over one tablet of Cobra in one day.

How long does it take for Cobra pills to work?

Cobra 120 mg pill can take effect after thirty to sixty minutes of administration. Take the medication as prescribed by your doctor.

Where can I buy Cobra 120 mg pill?

Cobra pills can be purchased through a valid prescription from any pharmaceutical or online medical store.

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