Could my symptoms indicate HIV risk after sexual encounter?

I'm glad you've been practicing safe sex by using PEP. The risk of HIV infection through oral sex is mostly low, and when no ejaculation is present in the mouth, the risk becomes too small. However, following the doctor's instructions to continue PEP is still very crucial. Look for some symptoms such as flu-like illness, fever, or body aches, and be alert. Almost like a way to go, keep on track, and be positive with the PEP (treatment) regime.

Erectile dysfunction is highly prevalent and can be controlled is the most important thing to know. Such root causes of antidepressants, hypertension medical conditions, as well as smoking can develop erectile dysfunction. Therefore, engaging a doctor's professional help in diagnosing and cutting a relevant treatment plan will be the way to go. 

The fact that your girlfriend had her period is a good sign that pregnancy is unlikely. Sometimes periods can vary in flow, so sudden changes aren't always a cause for worry. If you both want extra peace of mind, you could consider a pregnancy test in a few weeks, just to be sure. Open communication and using protection can help prevent unwanted surprises in the future. 

A small penis during an erection does not mean that pregnancy is impossible. Fertility is not related to size. Blocked canals and hormonal imbalances can cause smaller genitals. Consult a specialist for advice and support. Remember, concerns about size are common but often based on misconceptions. 

Nightfall or wet dreams are normal for a teenage boy. This is your body's method of discharging the extra fluids. Symptoms include having an ejaculation during sleep without being in control. Causes can be hormones or sexual thoughts. To help, you might consider calming activities before bed and avoiding spicy food.