Brief Answer:
There is a need for a physical examination

Detailed Answer:

Hello,

Presence of numbness at the penis and frequent urination indicates the possibility of local pathology. The most common cause of this is urinary tract infection followed by bladder stones. Both conditions need some physical examination as well as laboratory investigation to diagnose the condition.

For constipation please ensure to drink a lot of water, eat a diet consists of fresh green vegetables daily, have some Ispaghula husk with a glass of water at night before going to bed and observe how you stay after this.

There are numerous causes for such stiffness in the stomach which is why it's always advisable to go for a thorough clinical examination as the management will be primarily based on the findings.

I hope this helps you.
Please feel free to write back to me if you have more questions.

Thanks and regards.

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