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HIV Transmission

Medically reviewed by Drugs.com. Last updated on Apr 6, 2025.

Safety precautions can help prevent the transmission (spread) of HIV. HIV slowly weakens the immune system. Over time, a weak immune system makes it difficult to fight infections. Symptoms usually do not develop for many years. Many people do not know they are infected until symptoms begin. HIV continues to reproduce inside the human body. The number of HIV cells is called the viral load. The higher the viral load, the more likely it is the person can transmit HIV to another person.

DISCHARGE INSTRUCTIONS:

Return to the emergency department if:

Call your doctor if:

Medicines:

You may need any of the following, depending on your HIV status and risk for infection. It is important to take every dose of any HIV medicine you need. Consistent and correct use of these medicines helps prevent the spread of HIV:

How HIV is spread:

The body fluids that transmit HIV are blood, semen, pre-semen, vaginal and rectal fluids, and breast milk. The virus can get into the bloodstream through a mucus membrane, damaged tissue, or injection equipment such as a needle. Mucus membranes are found in the mouth, vagina, penis, and rectum. The following are ways HIV may be spread:

Prevent the spread of HIV:

HIV medicines are not 100% effective. You will still need to take precautions to prevent an infection.

Follow up with your doctor as directed:

You may need tests at 6 weeks, 3 months, and 6 months after exposure to HIV. Write down your questions so you remember to ask them during your visits.

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The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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