Heparin-induced thrombocytopenia (HIT) occurs in up to 1% of patients receiving unfractionated heparin. HIT may occur even when very-low-dose heparin (eg, used in flushes to keep IV or arterial lines open) is used. The mechanism is usually immunologic.
The hair loss can seem more extreme if your hair grew much more than normal during pregnancy, or if you have long hair. Most women will return to their usual hair growth cycle within six months, or between 6 and 12 months after birth.
Alopecia areata causes hair to fall out in big patches. The culprit is your own immune system, which attacks healthy hair follicles by mistake. In most cases, the damage isnât permanent. The missing locks should grow back in 6 months to a year. Some people lose all the hair on their scalp and body, but thatâs rare.