Measuring Doxyvet

Catibrie · Apr 30, 2009

Well the Doxy arrived today, now I need to write out some dosage instructions for my babies iffin they need it.
This is what I have: 50mg/mL Doxycycline Hydrochloride (total 250mL/8.4Fl.oz NET)
BUT I suck at math... so I don't know where to start to measure it out.

The RMCA chart says: DOXYCYCLINE
100 mg capsule in 4cc water/fresh daily
2.5mg/lb BID, PO
.10cc/lb for 14 to 30 days

Ok I could figure that out I suppose, but I have a liquid :?
So do I follow that and measure out the .10cc/lb?

jorats · Apr 30, 2009

Ok, bare with me, I'm not an expert at this either.

If you add 2ml water to the 50mg, that brings it down to 25mg. Are they pills/capsules?

The way I would calculate that would be... weight in kg x dosage, for doxy I use 5 divided by concentration which is 25 if you added 2mls of water to it.

If that is liquid doxy then you would do this:

weight (kg) x dosage (I use 5) divided by 50.

SQ · Apr 30, 2009

With liquid doxy at 50mg/mL Doxycycline Hydrochloride
You would give 0.05 to 0.1 ml per Ib of rat or 0.05 to 0.1 ml per 454.4 g of rat.
This is given twice a day.

The dosage for doxy is 2.5 mg/Ib to 5 mg/Ib, twice a day (from the Rat Health Care book)