Most common drugs withdrawal times
Substance
Route of administration
Dose
Withdrawal time
Acepromazine
I.M. / Oral
10 mg
36 Hours
Acetaminophene
(paracetamol)
Oral
10 mg
96 Hours
Ethacrinic Ac.
Oral
200 / 400 mg
48 Hours
Meclofenamic Ac.
(Arquel)
Oral
1 g
48 Hours
Aminophylline
(Theophylline)
I.V.
1,5 g
96 Hours
Thiosalicylic Ac.
I.V. / I.M.
1 g
30 Hours
Chlorpheniramine
I.M. / Oral
10 mg
36 Hours
Acepromazine
I.M.
75 mg
72 Hours
Chlorpromazine
I.M.
100 mg
96 Hours
Clenbuterol
(Spasmobronchial)
I.V. / Oral
0,32 mg
72 Hours
Detomidine
I.V.
10-20 meg /kg
96 Hours
Dextromethorphan
Oral
300 mg
96 Hours
Dichlophenamic (Voltaren)
Oral
400 mg
36 Hours
Caffeine
I.V.
1 g
96 Hours
Dexamethasone S. Fosfate
I.A.
10 mg
96 Hours
I.M. / E.V.
40 mg
48 Hours
Dexamethasone Acetate
I.M.
20 mg
96 Hours
I.A.
20 mg
144 Hours
Dexamethasone Isonicotinate
N.E.
–
28 Days
Diflunisal
Oral
5 g
96 Hours
DMSO
Friction
90% Gel
36 Hours
Diphenhydramine
I.M. / Oral
250/ 500 mg
48 Hours
Dipyrone
I.M.
50%-7,5 gr
36 Hours
Floctafenine
(Idorac)
Oral
2 g
96 Hours
Flunixin meglumine
I.V. / I.M.
500 mg
72 Hours
Furosemide (Seguril)
I.V. / I.M.
200 mg
24 Hours
Guaifenesin
I.V. / Oral
2 gr
24 Hours
Hydrochlorothiazide
antihypertensive
I.V. / Oral
100 / 225 mg
60 Hours
Indomethacin
Oral
1 g
48 Hours
Ketamine
I.V.
700 mg
96 Hours
Lidocaine
Topic
150 mg/500
24 Hours
DMSO
(Xylocaine)
mg + 18g
36 Hours
Mepivacaine
I. Articulate
300 mg / 5 gr.
48 Hours
Methocarbamol
(Robaxin)
Subcutaneous / I.V. / Oral
300 mg / 5 gr.
48 Hours
Naproxane
Oral
4,5 gr
96 Hours
Oxyfenbutazone
(Tanderil)
Oral
4 gr
48 Hours
Pentazocine
I.M.
250 mg
72 Hours
Pehnothiazine
Oral
4,75 gr
96 Hours
Phenylbutazone
I.V. / Oral
3 g
96 Hours
Piroxicam
(Feldene)
Oral
100 ml
72 Hours
Piroxicam
(Feldene)
Oral
100 ml
72 Hours
Pyrilamine
I.M.
500 mg
36 Hours
Prednisolone
Oral
100 mg
72 Hours
Procaine
I.M. / Subcutaneous
1 g
36 Hours
Promazine
I.M.
450 mg
96 Hours
Sulindac
(Clinoril)
Oral
1 g
96 Hours
Theobromine
Oral
2 g
96 Hours
Theophylline
I.V.
1,5 g
96 Hours
Trichlormethiazide
(Naquaden)
Oral
200 mg
24 Hours
Xylazine
(Rompun)
I.M.
1 gr
24 Hours
Zomepirac
(Zomax)
Oral
0,5 gr
96 Hours