If the medicine suits u, pl continue it but with other medicines you have to be vigilant. Better to give breaks in between. Oral sex should be done with hygiene in mind. It's better you try to consult the lybrate doctor who started dejac t.

Yes it is curable - -it can come up of stress/depression/over use of the parts/improper rest/sleep, etc.
Please use -- natural aphrodisiacs which can improve your libido and prevent premature ejaculation. This would include carrots, fennel seeds, celery, bananas, garlic, onion, ginger, shellfish, lettuce etc. - including these foods in your daily diet will ensure that you remain free from sexual problems, including premature ejaculation. Also take a dose of acid phos 1m/single dose and rever...more

Hello,
Premature ejaculation occurs when a man experiences orgasm and expels semen soon after sexual activity and with minimal penile stimulation.
Most cases of premature ejaculation do not have a clear cause. With sexual experience and age, men often learn to delay orgasm. Premature ejaculation may occur with a new partner. It may happen only in certain sexual situations or if it has been a long time since the last ejaculation. Psychological factors such as anxiety, guilt, or depression...more