For loose motions ensure hydration by giving sips of ORS frequently. Provide easily digestible foods like rice or bananas etc. Its best if you show him to your doctor.

Diarrhea can lead to dehydration, especially in children, so providing fluids is necessary. You can give your child water but it's essential to do it in small, frequent sips rather than large amounts at once. You can also give ORS to help prevent dehydration.

Chickenpox is generally more common in children and is often considered a childhood disease. It's most commonly seen in children aged 1 to 12 years. In many cases, getting chickenpox during childhood leads to immunity, meaning that a person is less likely to get it again later in life. However, chickenpox can affect individuals of any age, including adults.

If you're concerned about your 1.5 year old son's genital development, it's essential to consult a pediatrician or pediatric urologist for an evaluation. Small or retracting testicles may be normal in some cases, but it's crucial to rule out conditions like undescended testicles or hernias.

Pube­rty is when bodies grow and change into adult forms. It happe­ns due to hormones being produce­d. Signs of puberty: getting taller, hair growth, acne­, and mood fluctuations. These changes are­ a normal part of the body becoming mature, so don't worry, if you need more detailed information to clear any doubts consult a nearby doctor.