1-184/INDIAN SQUILL PDR FOR HERBAL MEDICINESPhosphodiesterase Inhibitors
(Can increase the risk of cardie
arrhythmias when given
simultaneously with this herb)
Quinidine
(Can increase the risk of cardie
arrhythmias when given
simultaneously with this herb)
Sympathomimetic Agents
(Can increase the risk of cardie
arrhythmias when given
simultaneously with this herb)
INDINAVIR SULFATE
St. John's Wort
(The herb induces the cytochrome
P450 enzyme system and will
lower indinavir serum levels)
INDOMETHACIN
Cascara Sagrada
(Decreases therapeutic effect of
Cascara)
Senna
(Decreased therapeutic effect of
Senna)
Wild Yam
(Wild Yam may decrease the anti-
inflammatory effect of
indomethacin)
INSULIN
Psyllium
(Effect unspecified; insulin dose
should be decreased)
JIMSON WEED
Anticholinergics
(Co-administration of Jimson
Weed with other anticholinergic
drugs may increase the frequency
and/or severity of anticholinergic
side effects such as dry mouth,
constipation, drowsiness, and
others)
KOMBE SEED
Calcium Salts
(Increases effects and side effects
of herb)
Diuretics
(Increases effects and side effects
of herb)
Glucocorticoids
(Increases effects and side effects
of herb)
Laxatives
(Increases effects and side effects
of herb)
Quinidine
(Increases effects and side effects
of herb)
LAXATIVES
Adonis
(Increases action of Adonis)
Kombe Seed
(Increases effects and side effects
of herb)
Lily-of-the-Valley
(Increases the effect of Lily-of-
the-Valley)
Oleander
(Increased efficacy and side
effects when given simultaneously
with herb)
Squill
(Increases effectiveness and side
effects of herb)
Strophanthus
(Simultaneous administration with
herb enhance both effects and side
effects)
Strophanthus Gratus
(Simultaneous administration with
herb enhance both effects and side
effects)
LEVODOPA
Rauwolfia
(Decreased effect; increases in
extra-pyramidal symptoms)
LICORICE
Aloe
(Increased potassium loss)
Antiarrhythmics
(Licorice-induced hypokalemia
increases risk of arrhythmias)
Digitalis Glycoside Preparations
(Licorice-induced hypokalemia
increases risk of digitalis toxicity)
Glucocorticoids
(Licorice potentiates effect of
glucocorticoids)
Loop Diuretics
(Additive effect of hypokalemia)
Thiazide Diuretics
(Additive effect of hypokalemia)LICORICE ROOT
Buckthorn
(Increases hypokalemic effects)
LILY-OF-THE-VALLEY
Calcium
(Increases the effect of Lily-of-
the-Valley)
Digoxin
(Increases the effect of Lily-of-
the-Valley)
Glucocorticoids
(Increases the effect of Lily-of-
the-Valley)
Laxatives
(Increases the effect of Lily-of-
the-Valley)
Quinidine
(Increases the effect of Lily-of-
the-Valley)
Saluretics
(Increases the effect of Lily-of-
the-Valley)
LINUM USITATISSIMUM
(See under Flax)
LOOP DIURETICS
Ginseng
(Increases diuretic resistance)
Licorice
(Additive effect of hypokalemia)
Uva-Ursi
(The sodium-sparing effect of
Uva-Ursi may antagonize the
diuretic effect of the loop
diuretics)
LYCOPUS VIRGINICUS
(See under Bugleweed)
MA-HUANG
Cardiac Glycosides
(Disturbance of heart rhythm)
Central Nervous System Stimulants
(Ma-Huang has an additive effect
on the CNS when combined with
CNS stimulants)
Guanethidine
(Increased sympathomimetic
effects)
Halothane
(Disturbance of heart rhythm)
MAO Inhibitors
(Increases sympathomimetic
effects of ephedrine)