Prescription requiredUrology/Andrology (Erectile dysfunction therapy)

VIAGRA 100MG TAB — Side Effects & Warnings

Known side effects of VIAGRA 100MG TAB include Headache, flushing, dizziness, nasal congestion, indigestion, nausea, visual disturbance (blurred vision/blue tinge), back pain, muscle pain. Not everyone experiences these side effects.

Common Side Effects

Headache
flushing
dizziness
nasal congestion
indigestion
nausea
visual disturbance (blurred vision/blue tinge)
back pain
muscle pain

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

Important Warnings

Prescription-only medicine. Do not use with nitrates (e.g., nitroglycerin, isosorbide) or riociguat due to dangerous fall in blood pressure. Use with caution in heart disease, recent heart attack/stroke, uncontrolled hypertension/hypotension, severe liver impairment, severe kidney disease, bleeding disorders, peptic ulcer, anatomical deformation of penis, predisposition to priapism (e.g., sickle cell, leukemia, myeloma). Seek urgent help for chest pain, erection lasting >4 hours (priapism), sudden loss of vision or hearing. May cause dizziness—avoid driving if affected.

Drug Interactions

VIAGRA 100MG TAB may interact with the following:

Nitrates and nitric oxide donors
riociguat
alpha-blockers (e.g.
tamsulosin
doxazosin)
strong CYP3A4 inhibitors (ketoconazole
itraconazole
ritonavir
cobicistat
clarithromycin)
CYP3A4 inducers (rifampicin
carbamazepine
phenytoin)
other PDE5 inhibitors
antihypertensives (additive BP lowering)
grapefruit juice (may increase levels)

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

Pregnancy Safety

Not recommended (not indicated for use in women)

Alcohol Interaction

Use with caution (may increase dizziness and reduce ability to achieve erection)

Habit Forming

Storage

Store at room temperature (below 25°C), protected from moisture and light. Keep in original pack and out of reach of children.

VIAGRA 100MG TAB — Safety Summary

Composition: Sildenafil citrate equivalent to Sildenafil 100 mg
Prescription: Required (Rx)
Pregnancy: Not recommended (not indicated for use in women)
Alcohol: Use with caution (may increase dizziness and reduce ability to achieve erection)
Habit forming: No

VIAGRA 100MG 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.

Need help?

Consult a doctor

Discuss side effects with a qualified doctor online.

View all medicines

Full product details for VIAGRA 100MG TAB.

Lab tests

Book tests to monitor your health while on medication.

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.