General
Ondansetron (Zofran)
Virtual visit

Ondansetron (Zofran)

With our quick and easy online prescription process, you can manage your health effortlessly — whether you need a first-time prescription for Ondansetron (Zofran) or a refill of an existing one.

Licensed providers in all 50 states

Expert-guided, evidence-based treatments

Skip the trip to the doctor's office

Visit options

Costs shown are for the visit only. You'll pay for medication at your preferred pharmacy.

Video Visit

$25

Est. or $100 w/o insurance

Chat Visit

$30

w/o insurance

Most insurance accepted

Board-certified

No hidden fees

Available nationwide

What is Ondansetron (Zofran)?

Ondansetron is a powerful anti-nausea medication prescribed to prevent and treat nausea and vomiting caused by chemotherapy, radiation, surgery, and in some cases severe morning sickness during pregnancy. It works by blocking serotonin receptors in both the gut and the brain that trigger the vomiting reflex. Unlike older anti-nausea medications that tend to cause heavy sedation, Ondansetron is well-tolerated and allows most people to function normally while taking it. It's available as a tablet, orally dissolving tablet, or injectable form.

Serotonin (5-HT3) receptor blockade

Blocks 5-HT3 receptors in the gastrointestinal tract and the brain's vomiting center, preventing the serotonin surge that chemotherapy and other triggers use to initiate the nausea and vomiting response.

Minimal sedation

Unlike antihistamine or dopamine-blocking antiemetics, Ondansetron provides strong nausea control without the heavy sedation or cognitive impairment that makes many anti-nausea medications difficult to tolerate.

Versatile delivery

Available in multiple formats—including an orally dissolving tablet that works even when swallowing is difficult due to nausea—making it practical across a wide range of clinical situations.

Virtual visit with clinician

Ongoing support, always available.

You’ll be supported by experienced clinicians who care for a wide range of health needs, from everyday concerns to more complex conditions.

Our clinicians track your progress over time and adjust your care as needed. If medication is prescribed, we’ll manage dosing and monitor for side effects. If lab testing is recommended, we review results and refine your plan accordingly. You’re never left to navigate care on your own.

All your care in one place. That’s the General Medicine difference.

We help you understand your options, connect you to the right clinicians, manage prescriptions, coordinate any needed evaluations, and keep an eye on your overall health along the way. It’s comprehensive care that looks at the full picture — your goals, your history, your lifestyle — and makes it simple to move forward with confidence.

Your care plan
Clinician

What our customers have to say

“I feel like I’m finally on the right path to improving my health with the right support now! It’s so refreshing and reassuring.”

Emerald

“My experience with General Medicine was amazing. The understanding and care that was taken to figure out what is exactly going on with me. I feel like a weight has been lifted off of me.”

Kaylee

“I couldn’t be happier with my experience with General Medicine! They are fast, responsive, kind and knowledgeable. It is much easier, more affordable and faster.”

Nika

Get the care you need, without the wait.

Frequently Asked Questions

How quickly does Zofran work?

Ondansetron typically begins working within 30 minutes of an oral dose. The orally dissolving tablet may work slightly faster. IV ondansetron given in a clinical setting works within minutes.

Can I take Zofran for morning sickness during pregnancy?

Zofran is sometimes prescribed off-label for severe nausea and vomiting in pregnancy. The decision requires careful discussion with your clinician, weighing the benefits of managing severe nausea against available safety data.

Does Zofran make you drowsy?

Unlike older anti-nausea medications, ondansetron causes minimal sedation in most people, making it more practical for daytime use. Headache is actually more commonly reported than drowsiness.

What side effects might I experience?

Headache, constipation, and dizziness are the most common. At higher doses, QT interval prolongation — a heart rhythm consideration — can occur. Your clinician will account for this if you take other relevant medications.

Can children take Zofran?

Yes. Ondansetron is used in pediatric patients for chemotherapy-related and post-surgical nausea. Dosing is weight-based — your clinician will determine the appropriate dose for your child's age and weight.
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