Verbatim response from ChatGPT
Short version
- If you want longer-lasting, more spontaneous effect (up to ~36 hours): ask for tadalafil (brand name Cialis). Good for multiple opportunities or if you prefer a “weekend” window; also available in low-dose daily form for daily use and BPH.
- If you want a shorter, as‑needed option (onset ~30–60 min, lasts ~4–6 hours): ask for sildenafil (brand name Viagra). Good for planned occasions and often cheaper as a one-time dose.
- Don’t take either if you’re on nitrates (nitroglycerin, isosorbide) — that’s a dangerous interaction. Talk to a clinician about heart disease, blood pressure meds, liver/kidney issues, or alpha‑blockers.
A few practical details
- Typical doses: sildenafil 25/50/100 mg as needed; tadalafil 10/20 mg as needed or 2.5/5 mg daily. Older age or medical conditions often mean starting lower.
- Common side effects: headache, flushing, nasal congestion, indigestion. Tadalafil more often causes back/muscle aches; sildenafil can sometimes affect color vision.
- Both are available as inexpensive generics.
Services that prescribe and deliver both
- Hims — telemedicine visit, ships generic sildenafil and tadalafil; user-friendly, discreet packaging, good for ongoing refills.
- Roman (Ro) — online consult and home delivery for generics; price transparency and subscription/refill options.
- Lemonaid Health — telehealth assessments and prescriptions with straightforward pricing; offers both generics depending on availability.
- GoodRx Care — inexpensive online visit and can send prescriptions to your preferred pharmacy; helpful for price-shopping coupons.
Also: most local/chain pharmacies (CVS/ Walgreens/ Rite Aid) will fill prescriptions for either drug — you can get the prescription from your PCP or via one of the telehealth services above.
If you want a recommendation tailored to you Tell me age, major health conditions (especially heart disease, high/low blood pressure, diabetes), and any prescription meds (especially nitrates or alpha‑blockers). I can suggest which drug/dose is more likely appropriate and which telehealth option may be best for you.