Side effects and watch-outs
- Nasal irritation and rhinitis (common)
- Headache
- Nosebleeds
- Back pain
- Variable absorption
- HPTA suppression (less than other routes)
- Generally preserves fertility better than injections
Testosterone / Transdermal
Testosterone Nasal Gel (Natesto)
FDA-approved intranasal testosterone gel. 3x daily dosing. Preserves LH/FSH and sperm production better than other routes due to pulsatile delivery. Preferred for fertility-conscious TRT.
Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.