Jun 12, 2009
Hey doc..ZZZZ here again aka mr cd4 110 :) Thanks for all your help it makes a real difference being able to talk to someone about it other then councilers and stuff who I dont really trust. Your response to my question was really good kinda made me realize that i have to deal with this issue rather than choosing to ignore it or simply cover it up with booze. Im just really terrified to be quite honest I dont wanna die but I guess most people dont. Sorry for rambling on doc I know you must have a million of these to read, some more idioctic than others lol ie can i get hiv from a grapefruit lol. Just wanted to say thanks anyways id like to keep asking you stuff as I go through this if thats ok. Me and XXXX are from YYYY and its hard being the boy with well now I know AIDS. But it really makes a diffrence to beable to talk to amazing people such as yourself you've really made a difference in me and XXXX life. Thanks doc PS: I started dapsone yesterday for the cough
| Response from Dr. Frascino
Hey ZZZZ (and XXXX),
I've been to YYYY several times. Great beaches and bananas as I recall. Maybe I should make a house call to check up on you. Can I borrow your surfboard while I'm there?
Regarding dapsone, did your doctors evaluate your cough? Certainly dapsone can be used for Pneumocystis carinii pneumonia prophylaxis in HIVers with CD4 counts less than 200. However, I'd like to make sure you don't already have PCP. If you do, the treatment of choice would be Bactrim (or Septra). Dapsone could be used for treatment, but would usually be combined with trimethoprim. I'll reprint some information about PCP below.
As for submitting additional questions in the future, sure. I'm here to help. Although because of the insane number of questions that cram their way into my overstuffed inbox on a daily basis from throughout the cyber universe, I can only respond to a relatively small percentage. I do recommend hooking up with an HIV specialist locally with whom you can work closely.
Good luck ZZZZ. Let's get through this together, OK?
Pneumocystis Pneumonia (PCP)
March 19, 2009
What Is PCP?
How Is PCP Treated?
Can PCP Be Prevented?
Which Drug Is Best?
The Bottom Line
What Is PCP? Pneumocystis pneumonia (PCP or pneumocystis) is the most common opportunistic infection in people with HIV. Without treatment, over 85% of people with HIV would eventually develop PCP. It has been the major killer of people with HIV. Although PCP is now almost entirely preventable and treatable, it still causes death in about 10% of cases.
Currently, with strong antiretroviral therapy (ART) available, PCP rates have dropped dramatically. Unfortunately, PCP is still common in people who are infected with HIV for a long time before getting treatment. In fact, 30% to 40% of people with HIV develop PCP if they wait to get treatment until their CD4 cell counts are around 50. The best way to reduce cases of PCP is testing for HIV to identify cases sooner.
PCP is caused by a fungus. It used to be called pneumocystis carinii, but scientists now call it pneumocystis jiroveci. A healthy immune system can control the fungus. However, PCP causes illness in children and in adults with a weakened immune system.
Pneumocystis almost always affects the lungs, causing a form of pneumonia. People with CD4 cell counts (see Fact Sheet 124) under 200 have the highest risk of developing PCP. People with counts under 300 who have already had another opportunistic infection are also at risk. Most people who get PCP become much weaker, lose a lot of weight, and are likely to get PCP again.
The first signs of PCP are difficulty breathing, fever, and a dry cough. Anyone with these symptoms should see a health care provider immediately. However, everyone with CD4 counts below 300 should discuss PCP prevention with their health care provider, before they experience any symptoms.
How Is PCP Treated? For many years, antibiotics were used to prevent PCP in cancer patients with weakened immune systems. It was not until 1985 that a small study showed that these drugs would also prevent PCP in people with AIDS.
TMP/SMX (Bactrim or Septra, see Fact Sheet 535) is the most effective anti-PCP drug. It's a combination of two antibiotics: trimethoprim (TMP) and sulfamethoxazole (SMX). Dapsone (see Fact Sheet 533) is similar to TMP/SMX. Dapsone seems to be almost as effective as TMP/SMX against PCP. Pentamidine (NebuPent, Pentam, Pentacarinat) (see Fact Sheet 537) is a drug that is inhaled in an aerosol form to prevent PCP. Pentamidine is also used intravenously (IV) to treat active PCP. Atovaquone (Mepron) (see Fact Sheet 538) is a drug used in people with mild or moderate cases of PCP who cannot take TMP/SMX or pentamidine.
Can PCP Be Prevented? The best way to prevent PCP is to use strong ART. People who have less than 200 CD4 cells can prevent PCP by taking the same medications used for PCP treatment.
Another way to reduce the risk of PCP is not to smoke, or to stop smoking. HIV-positive smokers develop PCP two to three times faster than HIV-positive people who do not smoke. One study found that ex-smokers who stopped for at least a year developed PCP no quicker than non-smokers.
Combination ART can make your CD4 cell count go up. If it goes over 200 and stays there for 3 months, it may be safe to stop taking PCP medications. However, because PCP medications are inexpensive and have mild side effects, some researchers think they should be continued until your CD4 cell count reaches 300. Be sure to talk with your health care provider before you stop taking any of your prescribed medications.
Which Drug Is Best? Bactrim or Septra (TMP/SMX) is the most effective drug against PCP. It is also inexpensive, costing only about $10 per month. It is taken in pill form, not more than one pill daily. Cutting back from one pill a day to three pills a week reduces the allergy problems of Bactrim and Septra, and seems to work just as well.
However, the "SMX" part is a sulfa drug and almost half of the people who take it have an allergic reaction. This usually is a skin rash, sometimes a fever. Allergic reactions can be overcome using a desensitization procedure. Patients start with a small amount of the drug and take increasing amounts until they can tolerate the full dose.
Dapsone causes fewer allergic reactions than TMP/SMX. It is also fairly inexpensive -- about $30 per month. It also is taken as a pill and, like Bactrim or Septra, not more than one pill daily.
Pentamidine involves a monthly visit to a clinic with a nebulizer, the machine that produces a very fine mist of the drug. The mist is inhaled directly into the lungs. The procedure takes about 30 to 45 minutes. You pay for the drug plus the clinic costs, between $120 and $250 per month. Patients using aerosol pentamidine get PCP more often than people taking the antibiotic pills.
The Bottom Line PCP is now almost totally treatable and preventable. However, it is still common in people who do not know they are infected with HIV. Strong antiretroviral drugs (ARVs) can keep the CD4 cell count from dropping. If your CD4 cell count is below 300, talk to your health care provider about taking drugs to prevent PCP. Everyone whose CD4 cell count is below 200 should be taking anti-PCP medication.
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