Testosterone: study card

Testosterone — Androgen. Study the mechanism, listed uses and warnings from the US label on one sourced card.

Generic name
Testosterone
Class
Androgen
Mechanism
Endogenous androgen responsible for male sex organ growth and maintenance of secondary sex characteristics.
Used for
Testosterone replacement for primary hypogonadism in adult males; Testosterone replacement for hypogonadotropic hypogonadism in adult males
Common side effects
Increased PSA; Emotional lability; Hypertension; Increased hematocrit / hemoglobin; Contact dermatitis
Boxed warning
Virilization reported in children secondarily exposed to testosterone gel; avoid contact with application sites.
Warnings
Worsening BPH / prostate cancer risk; Venous thromboembolism; Blood pressure increases; Safety and effectiveness for age-related hypogonadism have not been established; topical products can differ in systemic exposure
Interactions
Insulin; Oral anticoagulants; Corticosteroids / ACTH

Brand questions use only name pairings verified against the linked product source. Unverified pairings are withheld from these questions; the other study content remains available.

Read the source label ↗

Label date: 20260605 · For learning, not clinical decisions. US label and brand information; always consult the current source.

Source snapshot checked: 2026-10-21. The source document and selected fields were compared. The complete card has not had an independent clinical review.

Pronunciation

Testosterone: tes-TOS-ter-one

Pronunciation is shown for the US English generic name.

Body system

Endocrine · 27 Drug cards

Boxed warnings on related cards

Other cards with a boxed warning in this body system (Endocrine): Metformin, Levothyroxine, Semaglutide, Dulaglutide, Tirzepatide, Pioglitazone, Liraglutide, Liothyronine