What development phase is FOSTEMSAVIR TROMETHAMINE in?

FOSTEMSAVIR TROMETHAMINE is FDA-approved (marketed).

What are the side effects of FOSTEMSAVIR TROMETHAMINE?

Common side effects include Nausea, Diarrhea, Headache, Abdominal pain, Dyspepsia, Fatigue.

Last reviewed 2026-04-20 · How we verify

FOSTEMSAVIR TROMETHAMINE

FDA-approved approved Small molecule Quality 0/100

At a glance

Generic name	FOSTEMSAVIR TROMETHAMINE
Modality	Small molecule
Phase	FDA-approved
First approval	2020

Approved indications

No approved indications tracked.

Common side effects

Nausea
Diarrhea
Headache
Abdominal pain
Dyspepsia
Fatigue
Rash
Sleep disturbance
Somnolence
Vomiting
Immune Reconstitution Inflammatory Syndrome

Serious adverse events

Severe Immune Reconstitution Inflammatory Syndrome
Infections (leading to discontinuation)

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

Source	Used for
FDA label	Mechanism, indications, dosing, boxed warnings, drug interactions

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

FOSTEMSAVIR TROMETHAMINE CI brief — competitive landscape report
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