This document discusses HIV and AIDS. It defines HIV as a virus and AIDS as a medical condition that can develop from HIV infection over time without treatment. It describes the causes and transmission of HIV, including through unprotected sex, blood transmission, and from mother to child during pregnancy or birth. The document outlines the symptoms of early HIV infection, asymptomatic HIV, and late-stage HIV/AIDS. It also discusses diagnosis of HIV through blood tests, treatments to slow the virus, and prevention methods.

1. BY
DR PAWAN KUMAR
MMH COLLEGE GHAZIABAD

2. HIV and AIDS
 HIV is a virus.
 AIDS is a medical condition.
HIV infection can cause AIDS to develop. However, it
is possible to be infected with HIV without developing
AIDS. Without treatment, the HIV infection can
progress and, eventually, it will develop into AIDS in
the vast majority of cases. Once someone has received
an AIDS diagnosis, it will always carry over with them
in their medical history.

3. Causes of HIV and AIDS
 HIV is a retrovirus that infects the vital organs and cells of
the human immune system.
 The virus progresses in the absence of antiretroviral
therapy (ART) - a drug therapy that slows or prevents the
growth of new HIV viruses.
 The rate of virus progression varies widely between
individuals and depends on many factors;
 These factors include the age of the patient, the body's
ability to defend against HIV, access to healthcare,
existence of other infections, the infected person's genetic
inheritance, resistance to certain strains of HIV, and more.

4. How is HIV transmitted?
Sexual transmission - it can happen when there is
contact with infected sexual fluids (rectal, genital, or
oral mucous membranes). This can happen while
having unprotected sex, including vaginal, oral, and
anal sex, or sharing sex toys with someone infected
with HIV.

5. Perinatal transmission - a mother can pass the
infection on to her child during childbirth, pregnancy,
and also through breastfeeding.

6. Blood transmission - the risk of transmitting HIV
through blood transfusion is nowadays extremely low
in developed countries, thanks to meticulous
screening and precautions. However, among injection
or IV drug users, sharing and reusing syringes
contaminated with HIV-infected blood is extremely
hazardous.

7. HIV symptoms
For the most part, the symptoms of HIV are the result
of infections caused by bacteria, viruses, fungi, and/or
parasites.
These conditions do not normally develop in
individuals with healthy immune systems, which
protect the body against infection.

8. Symptoms of early HIV infection
 The symptoms of early HIV infection may include:
 fever
 chills
 joint pain
 muscle aches
 sore throat
 sweats (particularly at night)
 enlarged glands
 a red rash
 tiredness
 weakness
 unintentional weight loss

9. Asymptomatic HIV
In many cases, after the initial symptoms disappear,
there will not be any further symptoms for many years.
 During this time, the virus carries on developing and
damaging the immune system and organs. Without
being on medications to stop HIV's replication, this
process can take up to 10 years on average. The infected
person often experiences no symptoms, feels well, and
appears healthy.

10. Late-stage HIV infection
Symptoms of late-stage HIV infection may include:
 blurred vision
 diarrhea, which is usually persistent or chronic
 dry cough
 fever of above 100 °F (37 °C) lasting for weeks
 night sweats
 permanent tiredness
 shortness of breath (dyspnea)

11.  swollen glands lasting for weeks
 unintentional weight loss
 white spots on the tongue or mouth
 During late-stage HIV infection, the risk of developing
a life-threatening illness is much greater. Life-
threatening illnesses may be controlled, avoided, and
treated with proper medications, often including HIV
treatment.

12. HIV and AIDS myths
There are many misconceptions about HIV and AIDS.
The virus CANNOT be transmitted from:
 shaking hands
 hugging
 casual kissing
 sneezing

13.  touching unbroken skin
 using the same toilet
 sharing towels
 sharing cutlery
 mouth-to-mouth resuscitation
 or other forms of "casual contact"

14. Diagnosis of HIV and AIDS
HIV blood tests and results
 Diagnosis is made through a blood test that screens
specifically for the virus. If the HIV virus has been
found, the test result is "positive." The blood is re-
tested several times before a positive result is given to
the patient.
 If a person has been exposed to the virus, it is crucial
that they get tested as soon as possible.

15.  The earlier HIV is detected, the more likely the
treatment will be successful. A home testing kit can be
used as well.
 After infection with HIV, it can take from 3 weeks to 6
months for the virus to show up in testing. Re-testing
may be necessary. If the moment a patient was most at
risk of infection was within the last 6 months, they can
have the test immediately. However, the provider will
urge that another test be carried out within a few
weeks.

16. AIDS treatments
There is currently no cure for HIV or AIDS.
Treatments can slow the course of the condition - and
allow most infected people the opportunity to live a
long and relatively healthy life.

17. Emergency HIV pills (post-
exposure prophylaxis)
 If an individual believes they have been exposed to the
virus within the last 72 hours (3 days), anti-HIV
medications, called PEP (post-exposure prophylaxis)
may stop infection. The treatment should be taken as
soon as possible after contact with the virus.
 PEP is a very demanding treatment lasting 4 weeks, a
total of 28 days. It can be associated with unpleasant
side effects (diarrhea, nausea, and headache).

18. HIV prevention
 Unprotected sex
 Drug abuse and needle sharing
 Body fluid exposure
 Pregnancy
 Education

19.  Adherence
 General Health
 Additional precautions
 Psychological
 Long-term condition