Semaglutide (Ozempic/Wegovy): uses, side effects & brands

Written & medically reviewed by Dr. Sanjay Anbu, MBBS · Last reviewed 5 November 2026

Semaglutide is a weekly GLP-1 for diabetes and weight loss (also an oral tablet). It belongs to the Injectable diabetes medicine (insulin analogue & GLP-1) group. These injectable medicines control blood sugar; GLP-1 types also aid weight loss.

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Drug type — dosing is set by your doctor

Measure	Range
Drug class	Injectable diabetes medicine (insulin analogue & GLP-1)
Type	Prescription
Dose	Individual — ask your doctor or pharmacist

What it is used for

Type 2 diabetes (weekly injection or daily tablet)
Lowering heart-attack and stroke risk in type 2 diabetes with heart disease
Weight management (Wegovy)

Common brand names

India: Rybelsus (oral), Ozempic
Worldwide: Ozempic, Wegovy, Rybelsus

Common side effects

Nausea
Diarrhoea or constipation
Vomiting or reduced appetite
Injection-site reactions

Before taking it — precautions

Personal or family history of medullary thyroid cancer or MEN2 — must not use
Tell your doctor about past pancreatitis, gallbladder problems or kidney disease
Not used in pregnancy; with insulin or sulfonylurea tablets, low sugar is more likely

When to see a doctor urgently

Severe ongoing tummy pain that may spread to the back, with or without vomiting (urgent)
Lump or swelling in the neck, trouble swallowing or hoarseness
Changes in vision (diabetic eye disease can worsen, especially if sugar falls quickly)

Not a prescription — no dose shown. The right dose of semaglutide depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.

Frequently asked questions

How often is semaglutide taken?

The injection is taken once a WEEK on the same day. The tablet form is taken daily on an empty stomach with a sip of water, as the label says.

Will the nausea go away?

It usually eases over time. Eating smaller meals and avoiding fatty food helps.

Are Ozempic and Wegovy the same?

Both contain semaglutide; Ozempic is for diabetes and Wegovy for weight management. They are not interchangeable without your doctor.

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Sources & further reading

Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.