I have sinus issues (airbag split my nose [few years back] from top to bottom had more stitches than u could imagine), dry sinuses, allergies... I take 10mg cialis at night with no issues and I took an extra 7.5mg yest preworkout and some anavar.. Killed legs.. Great workout.. Veins popping out on calves like crazy... Great pump... I'll be taking cialis preworkout more....I have bad sinus problems. I probably wouldn't be able to take it.
My point is key with cialis is lower doses (10mg at night before bed) and adding a little more preworkout may be OK for u. Start low and work your way up because too much is miserable.