Brief Answer: it is a possible cause of hair loss Detailed Answer: HI, thanks for using healthcare magic You are correct , out of the list of medications mentioned, metoprolol is the only one that can contribute to hair loss. Drugs that cause hair loss can do so in 2 ways but the most common is by a process called telogen effuvium. In this process the hair follicles go into their resting phase early and earlier than they should. In most persons the hair loss would start within a few months of starting the medication but the time period can vary from one person to the next. If medication is the source of your hair loss, discontinuation may improve the problem. This would have to be discussed with your doctor who can suggest an alternative agent that would still effectively treat your hypertension and not cause any bothersome side effects.It can take 3 to 4 months for a response if it is going to occur. In rare circumstances the loss can be permanant Other causes of hair loss are:(1)emotional stress, (2)thyroid disease (hypothyroidism), (3)iron deficiency anemia, (4)post major surgery, (5)genetically determined by family history (most common cause), (6)infection particularly fungal, (7)deficiency of vitamins such as vitamin b12, (8) protein deficient intake- hair is composed of a significant amount of protein I hope this helps,feel free to ask any other questions

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Brief Answer: a dermatologist Detailed Answer: Hi Any trauma to the scalp from any source including chemicals can result in hair loss but normally this is a temporary reaction and would last a few months at most. IN terms of treatment of hair loss, a dermatologist would be the best option. The skin on the scalp falls into their speciality. Please feel free to ask any other questions

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