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Author Topic: HIV meds (Norvir) and Cialis or Viagra interaction  (Read 14233 times)

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Offline cflas

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  • Posts: 40
HIV meds (Norvir) and Cialis or Viagra interaction
« on: June 13, 2006, 07:47:17 PM »
I don't know why I'm embarrassed to bring this question here but I recently was provided with samples of Cialis and Viagra which I have used with some success.  My question is that I read today on the drug interaction sheet that the is an interaction for persons taking Norvir as part of their medication regimen (nothing mentioned about Reyataz and Truvada, which I also take).  So, the question is, "what's the interaction?".  I've been HIV+ for 12 yrs and the sexual side of our marriage has suffered over the last couple of years.  Any thoughts?  (Hey, I really like the new webpage set-up!).  Thanks for any help,

Offline Blixer

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  • Posts: 712
Re: HIV meds (Norvir) and Cialis or Viagra interaction
« Reply #1 on: June 13, 2006, 08:09:50 PM »
Chris, if you do the "Check your Meds" on this site you can put in your HIV meds and the viagra and cialis and read about the interactions.  There are several potential interactions with the meds you listed.  Hope this helps.
Diagnosed 1/9/06
8/27/2007 CD4 598, 29%, VL 58 (72 wks)
11/19/2007 CD4 609, 30%, VL < 50 (84 wks)
2/11/2008 CD4 439, 27%, VL <50 (96 wks)
5/5/2008 CD4 535, 28%, VL <50 (108 wks)
10/20/2008 CD4 680, 28%, VL <50 (132 wks)
Changed to Atripla in 2012
1/14/2013 CD4 855, 35%, VL <40

Offline whizzer

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  • Posts: 392
Re: HIV meds (Norvir) and Cialis or Viagra interaction
« Reply #2 on: June 13, 2006, 08:11:35 PM »
Norvir shuts down a metabolic pathway in the liver that breaks down certain medications.  That's how it boosts the level of Reyataz in your bloodstream - it makes it hang around longer so you don't have to take multiple doses of Reyataz (and most other PIs) throughout the day.  This is also the pathway that metabolizes Viagra, Cialis, Levitra, and certain other meds, so they hang around in greater concentration in your bloodstream for longer than they would otherwise.  I have read that it is best to take half as much of the Viagra, Levitra, or Cialis than is recommended.  It willl have the same effect, and you won't have blood levels that are too high, which can cause problems with low blood pressure and vision, among other things.


Offline pozniceguy

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  • Niceguy Dallas
Re: HIV meds (Norvir) and Cialis or Viagra interaction
« Reply #3 on: June 13, 2006, 08:16:14 PM »
:) I have the Cialis..been on Crixivan ( one of the  meds on list ) for 10 yrs......read the reactions and discussed with the DR...He said small dose is OK..  10 or 20 mg dose...but larger dosage may have unwanted side effects....I hope it works as well for you   as it did for me.......don't go crazy and follow mfrs recommendation of one a day....too much..one or two a week should be it...
remember the good times...honor the past but don't live there
Le stelle la notte sono grandie luminose, nel cuore profondo del Texas

Offline gerry

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  • Joined AM Feb 2003
Re: HIV meds (Norvir) and Cialis or Viagra interaction
« Reply #4 on: June 13, 2006, 10:48:55 PM »
From the DHHS Guidelines:


+ Viagra = Use cautiously. Start with reduced dose of 25 mg every 48 hours and monitor for adverse effects.

+ Cialis = Start with a 5 mg dose, and do not exceed a single dose of 10 mg every 72 hours.

+ Levitra = Start with a 2.5 mg dose and do not exceed a single 2.5 mg dose in 72 hours.

No need to be embarrassed, really.  Have fun!

Offline kcmetroman

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  • Posts: 567
Re: HIV meds (Norvir) and Cialis or Viagra interaction
« Reply #5 on: June 14, 2006, 10:40:08 AM »
I took a Viagra several months ago and thought I was going to explode.  I got dizzy and thought I was going to fall over. I am on the Kaletra/Combivir combo.  I guess moderate doses are the key

Offline jkinatl2

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  • Doo. Dah. Dipp-ity.
Re: HIV meds (Norvir) and Cialis or Viagra interaction
« Reply #6 on: June 14, 2006, 11:06:52 AM »
It should go without saying - no poppers while on Viagra/Cialis.

"Many people, especially in the gay community, turn to oral sex as a safer alternative in the age of AIDS. And with HIV rates rising, people need to remember that oral sex is safer sex. It's a reasonable alternative."

-Kimberly Page-Shafer, PhD, MPH

Welcome Thread

Offline OakMax1

  • Member
  • Posts: 57
Re: HIV meds and Cialis or Viagra interaction - weight loss....
« Reply #7 on: September 18, 2006, 09:17:58 PM »

Question is viagra and cialis some type of speed.   It always does something to me afterward such as the weight loss, dizzy, wont be sexual for a while. I notice I always drop a few pounds and my face get slimmer on the side.  Took cialis this weekend and dropped 5lbs.... big guy here 6'2", 210-12, now down to 205lbs. I am on  sustiva and truvada and Wendnesday on Atripla, could the interaction be causing this?

Tell me I am not tripping out... it the only thing I can think of....

Go with it and KEEP MOVIN!  Life is good today and I am glad to be here

Offline Jeffreyj

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Re: HIV meds (Norvir) and Cialis or Viagra interaction
« Reply #8 on: September 18, 2006, 09:49:57 PM »
I'd have to agree with whizzer here: Throughout the years, regardless of what drugs I've been on, my Dr has consistently told me to use half of the recommended doses. Which is nice, cause it lasts twice as long! :D ;) :) ;D
Positive since 1985

Offline alive2

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  • Posts: 78
  • i guess im having a good day
Re: HIV meds (Norvir) and Cialis or Viagra interaction
« Reply #9 on: September 19, 2006, 12:21:43 AM »
i can empithize with the strain on a relationship,but i wish i could get them,but the first time i was told by the drugist that they couldnt give them to me because of the interactions,im on truvada,and kaletra,and all these meds kinda got my dick in the dirt,so i asked my doc if i could take a break on some of the pills just so i can get good with my wife and myself,hell,i think it may do something for my mental well belng too.also i have to pay 10 bucks a piece,medical coverage wont cover them.and not working i cant spend no money,it all has its place.so even if your doc writes the script why is my druggest stopping me?i dont mean to take the board on you,take care

Offline Eldon

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  • Posts: 2,664
Re: HIV meds (Norvir) and Cialis or Viagra interaction
« Reply #10 on: September 19, 2006, 12:58:35 AM »
Hello Everyone,

I agree with Whizzer and Jeff, use 1/2 of the recommended dosage and you should be fine. Not sure? Have a talk with your Doctor and he will give you answers.

Have the BEST Day!

Offline Christine

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  • Posts: 1,069
Re: HIV meds (Norvir) and Cialis or Viagra interaction
« Reply #11 on: September 19, 2006, 10:35:07 AM »
I agree with Whizzer about the interactions. I am on anti-depressants (Zoloft) and it has the same interactions with the Norvir. Norvir boosts the amount of Zoloft in the body. Therefore my normal dose of Zoloft is lower than that of a person who is not on Norvir. It has also effected Ambien and Effexor in the past.

Talk to your Doctor about it. You don't want to risk any odd reaction with the two meds, you want to enjoy the benefits of the Viagra and not worry about interactions.

And don't be embarrassed. Call your Doctor and Enjoy!!

Poz since '93. Currently on Procrit, Azithromax, Pentamidine, Valcyte, Levothyroxine, Zoloft, Epzicom, Prezista, Viread, Norvir, and GS-9137 study drug. As needed: Trazodone, Atavan, Diflucan, Zofran, Hydrocodone, Octreotide

5/30/07 t-cells 9; vl 275,000


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