Page 269 - Pharmacology Mnemonics and Short Notes

261

 Biphasic preparations  oestrogen and progesterone doses changes
during month in two phases

 Triphasic preparations oestrogen and progesterone doses
changes during month in three phases

 Progestin only preparations

Post coital Contraceptives

 These are emergency contraceptives that prevent pregnancy if
administered within 72 hr of unprotected sex

 Preparations  progestin only and combination preparations

Mechanism of action of contraceptives

 Primary  inhibition of ovulation

 Effect glands (in cervix, uterine tubes)  decrease likelihood of
fertilization and implantation

 Progestin only  do not inhibit ovulation  act by other

mechanisms

 Post coital  by decrease survival of zygote

Other clinical uses of Contraceptives

Rida have hope (Rida umeed say hay)

R  rheumatic arthritis

I  iron deficiency anemia

D  Dysmanuria

A  acne treatment

Have  Primary hypogonadism

H  Hirsutism

Contents O  ovarian cyst & ovarian cancer

Pharmacology Mnemonics and Short Notes By Muhammad Ramzan Ul Rehman